3904197 has 16 divisors (see below), whose sum is σ = 5717568. Its totient is φ = 2350080.

The previous prime is 3904189. The next prime is 3904217. The reversal of 3904197 is 7914093.

It is not a de Polignac number, because 3904197 - 2³ = 3904189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904127) 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, 6063 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (357348).

Almost surely, 2^3904197 is an apocalyptic number.

It is an amenable number.

3904197 is a deficient number, since it is larger than the sum of its proper divisors (1813371).

3904197 is a wasteful number, since it uses less digits than its factorization.

3904197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 3904197 is about 1975.9040968630. The cubic root of 3904197 is about 157.4625358108.

The spelling of 3904197 in words is "three million, nine hundred four thousand, one hundred ninety-seven".