3895740 has 72 divisors (see below), whose sum is σ = 12343968. Its totient is φ = 992640.

The previous prime is 3895733. The next prime is 3895747. The reversal of 3895740 is 475983.

3895740 is a `hidden beast` number, since 3 + 89 + 574 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3895733) and next prime (3895747).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3895695 and 3895704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3670 + ... + 4610.

It is an arithmetic number, because the mean of its divisors is an integer number (171444).

Almost surely, 2^3895740 is an apocalyptic number.

3895740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3895740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6171984).

3895740 is an abundant number, since it is smaller than the sum of its proper divisors (8448228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3895740 is a wasteful number, since it uses less digits than its factorization.

3895740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3895740 is about 1973.7629036944. The cubic root of 3895740 is about 157.3487588215.

The spelling of 3895740 in words is "three million, eight hundred ninety-five thousand, seven hundred forty".