3990134 has 16 divisors (see below), whose sum is σ = 6236160. Its totient is φ = 1912680.

The previous prime is 3990127. The next prime is 3990157. The reversal of 3990134 is 4310993.

It is a junction number, because it is equal to n+sod(n) for n = 3990097 and 3990106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8387 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (389760).

Almost surely, 2^3990134 is an apocalyptic number.

3990134 is a deficient number, since it is larger than the sum of its proper divisors (2246026).

3990134 is a wasteful number, since it uses less digits than its factorization.

3990134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3990134 is about 1997.5319772159. The cubic root of 3990134 is about 158.6094869247.

It can be divided in two parts, 39 and 90134, that multiplied together give a triangular number (3515226 = T₂₆₅₁).

The spelling of 3990134 in words is "three million, nine hundred ninety thousand, one hundred thirty-four".