3952650 has 48 divisors (see below), whose sum is σ = 10561824. Its totient is φ = 972480.

The previous prime is 3952649. The next prime is 3952651. The reversal of 3952650 is 562593.

It is an interprime number because it is at equal distance from previous prime (3952649) and next prime (3952651).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3952651) 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, 937 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (220038).

Almost surely, 2^3952650 is an apocalyptic number.

3952650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3952650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5280912).

3952650 is an abundant number, since it is smaller than the sum of its proper divisors (6609174).

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

3952650 is a wasteful number, since it uses less digits than its factorization.

3952650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 3952650 is about 1988.1272595083. The cubic root of 3952650 is about 158.1112552953. Note that the first 3 decimals are identical.

The spelling of 3952650 in words is "three million, nine hundred fifty-two thousand, six hundred fifty".