3920499 has 18 divisors (see below), whose sum is σ = 6208956. Its totient is φ = 2364120.

The previous prime is 3920471. The next prime is 3920509. The reversal of 3920499 is 9940293.

It is not a de Polignac number, because 3920499 - 2⁵ = 3920467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3920429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19602 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (344942).

Almost surely, 2^3920499 is an apocalyptic number.

3920499 is a deficient number, since it is larger than the sum of its proper divisors (2288457).

3920499 is a wasteful number, since it uses less digits than its factorization.

3920499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 3920499 is about 1980.0249998422. The cubic root of 3920499 is about 157.6813934270.

The spelling of 3920499 in words is "three million, nine hundred twenty thousand, four hundred ninety-nine".