3854940 has 48 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 1005376.

The previous prime is 3854933. The next prime is 3854947. The reversal of 3854940 is 494583.

It is an interprime number because it is at equal distance from previous prime (3854933) and next prime (3854947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

Almost surely, 2^3854940 is an apocalyptic number.

3854940 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 3854940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515776).

3854940 is an abundant number, since it is smaller than the sum of its proper divisors (7176612).

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

3854940 is a wasteful number, since it uses less digits than its factorization.

3854940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3854940 is about 1963.4001120505. The cubic root of 3854940 is about 156.7975265992.

The spelling of 3854940 in words is "three million, eight hundred fifty-four thousand, nine hundred forty".