3719397 has 16 divisors (see below), whose sum is σ = 5544000. Its totient is φ = 2198400.

The previous prime is 3719393. The next prime is 3719431. The reversal of 3719397 is 7939173.

It is not a de Polignac number, because 3719397 - 2² = 3719393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3719393) 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, 22 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

Almost surely, 2^3719397 is an apocalyptic number.

It is an amenable number.

3719397 is a deficient number, since it is larger than the sum of its proper divisors (1824603).

3719397 is a wasteful number, since it uses less digits than its factorization.

3719397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its digits is 35721, while the sum is 39.

The square root of 3719397 is about 1928.5738253953. The cubic root of 3719397 is about 154.9378453535.

It can be divided in two parts, 3 and 719397, that added together give a triangular number (719400 = T₁₁₉₉).

The spelling of 3719397 in words is "three million, seven hundred nineteen thousand, three hundred ninety-seven".