3704643 has 8 divisors (see below), whose sum is σ = 5488400. Its totient is φ = 2469744.

The previous prime is 3704629. The next prime is 3704651. The reversal of 3704643 is 3464073.

It is not a de Polignac number, because 3704643 - 2⁵ = 3704611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 137209 = 3704643 / (3 + 7 + 0 + 4 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3704653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68578 + ... + 68631.

It is an arithmetic number, because the mean of its divisors is an integer number (686050).

Almost surely, 2^3704643 is an apocalyptic number.

3704643 is a deficient number, since it is larger than the sum of its proper divisors (1783757).

3704643 is a wasteful number, since it uses less digits than its factorization.

3704643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137218 (or 137212 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3704643 is about 1924.7449181645. The cubic root of 3704643 is about 154.7327061632.

The spelling of 3704643 in words is "three million, seven hundred four thousand, six hundred forty-three".