3947692 has 12 divisors (see below), whose sum is σ = 7895440. Its totient is φ = 1691856.

The previous prime is 3947663. The next prime is 3947693. The reversal of 3947692 is 2967493.

3947692 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3947692 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

3947692 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3947693) 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, 70467 + ... + 70522.

Almost surely, 2^3947692 is an apocalyptic number.

It is an amenable number.

3947692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3947692 is a wasteful number, since it uses less digits than its factorization.

3947692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141000 (or 140998 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 3947692 is about 1986.8799661781. The cubic root of 3947692 is about 158.0451187708.

The spelling of 3947692 in words is "three million, nine hundred forty-seven thousand, six hundred ninety-two".