3952091 has 16 divisors (see below), whose sum is σ = 4808160. Its totient is φ = 3198720.

The previous prime is 3952079. The next prime is 3952099. The reversal of 3952091 is 1902593.

It is a cyclic number.

It is not a de Polignac number, because 3952091 - 2⁶ = 3952027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3952099) 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, 3671 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (300510).

Almost surely, 2^3952091 is an apocalyptic number.

3952091 is a deficient number, since it is larger than the sum of its proper divisors (856069).

3952091 is a wasteful number, since it uses less digits than its factorization.

3952091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 3952091 is about 1987.9866699754. The cubic root of 3952091 is about 158.1038013628.

The spelling of 3952091 in words is "three million, nine hundred fifty-two thousand, ninety-one".