3932820 has 48 divisors (see below), whose sum is σ = 12237120. Its totient is φ = 1048608.

The previous prime is 3932813. The next prime is 3932827. The reversal of 3932820 is 282393.

It is an interprime number because it is at equal distance from previous prime (3932813) and next prime (3932827).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3932827) 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, 3102 + ... + 4181.

It is an arithmetic number, because the mean of its divisors is an integer number (254940).

Almost surely, 2^3932820 is an apocalyptic number.

3932820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3932820 is an abundant number, since it is smaller than the sum of its proper divisors (8304300).

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

3932820 is a wasteful number, since it uses less digits than its factorization.

3932820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301 (or 7293 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3932820 is about 1983.1338835288. The cubic root of 3932820 is about 157.8464031006.

The spelling of 3932820 in words is "three million, nine hundred thirty-two thousand, eight hundred twenty".