3906499 has 4 divisors (see below), whose sum is σ = 3989664. Its totient is φ = 3823336.

The previous prime is 3906493. The next prime is 3906541. The reversal of 3906499 is 9946093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9946093 = 47 ⋅211619.

It is a cyclic number.

It is not a de Polignac number, because 3906499 - 2⁵ = 3906467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3906493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41512 + ... + 41605.

It is an arithmetic number, because the mean of its divisors is an integer number (997416).

Almost surely, 2^3906499 is an apocalyptic number.

3906499 is a deficient number, since it is larger than the sum of its proper divisors (83165).

3906499 is an equidigital number, since it uses as much as digits as its factorization.

3906499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83164.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3906499 is about 1976.4865291724. The cubic root of 3906499 is about 157.4934775161.

It can be divided in two parts, 390 and 6499, that added together give a square (6889 = 83²).

The spelling of 3906499 in words is "three million, nine hundred six thousand, four hundred ninety-nine".