3642956 has 12 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 1813440.

The previous prime is 3642941. The next prime is 3642959. The reversal of 3642956 is 6592463.

It is a super-2 number, since 2×3642956² = 26542256835872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3642959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (533610).

Almost surely, 2^3642956 is an apocalyptic number.

It is an amenable number.

3642956 is a deficient number, since it is larger than the sum of its proper divisors (2760364).

3642956 is a wasteful number, since it uses less digits than its factorization.

3642956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4022 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 3642956 is about 1908.6529281145. The cubic root of 3642956 is about 153.8690628193.

The spelling of 3642956 in words is "three million, six hundred forty-two thousand, nine hundred fifty-six".