3864490 has 16 divisors (see below), whose sum is σ = 7949952. Its totient is φ = 1324944.

The previous prime is 3864479. The next prime is 3864499. The reversal of 3864490 is 944683.

It is not an unprimeable number, because it can be changed into a prime (3864499) 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, 27534 + ... + 27673.

It is an arithmetic number, because the mean of its divisors is an integer number (496872).

Almost surely, 2^3864490 is an apocalyptic number.

3864490 is an abundant number, since it is smaller than the sum of its proper divisors (4085462).

3864490 is a wasteful number, since it uses less digits than its factorization.

3864490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55221.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3864490 is about 1965.8306132523. The cubic root of 3864490 is about 156.9269001252.

The spelling of 3864490 in words is "three million, eight hundred sixty-four thousand, four hundred ninety".