3904297 has 4 divisors (see below), whose sum is σ = 3918976. Its totient is φ = 3889620.

The previous prime is 3904289. The next prime is 3904309. The reversal of 3904297 is 7924093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7924093 = 83 ⋅95471.

It is a cyclic number.

It is not a de Polignac number, because 3904297 - 2³ = 3904289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904217) 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, 6933 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (979744).

Almost surely, 2^3904297 is an apocalyptic number.

It is an amenable number.

3904297 is a deficient number, since it is larger than the sum of its proper divisors (14679).

3904297 is a wasteful number, since it uses less digits than its factorization.

3904297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14678.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3904297 is about 1975.9294015728. The cubic root of 3904297 is about 157.4638801862.

The spelling of 3904297 in words is "three million, nine hundred four thousand, two hundred ninety-seven".