3946572 has 36 divisors (see below), whose sum is σ = 11401936. Its totient is φ = 1127520.

The previous prime is 3946571. The next prime is 3946589. The reversal of 3946572 is 2756493.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) 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 (36).

It is not an unprimeable number, because it can be changed into a prime (3946571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7579 + ... + 8082.

Almost surely, 2^3946572 is an apocalyptic number.

It is an amenable number.

3946572 is an abundant number, since it is smaller than the sum of its proper divisors (7455364).

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

3946572 is a wasteful number, since it uses less digits than its factorization.

3946572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678 (or 15673 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 3946572 is about 1986.5980972507. The cubic root of 3946572 is about 158.0301710262.

The spelling of 3946572 in words is "three million, nine hundred forty-six thousand, five hundred seventy-two".