3920634 has 24 divisors (see below), whose sum is σ = 8561280. Its totient is φ = 1296648.

The previous prime is 3920629. The next prime is 3920677. The reversal of 3920634 is 4360293.

3920634 is a `hidden beast` number, since 3 + 9 + 20 + 634 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3920598 and 3920607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (356720).

Almost surely, 2^3920634 is an apocalyptic number.

3920634 is an abundant number, since it is smaller than the sum of its proper divisors (4640646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3920634 is a wasteful number, since it uses less digits than its factorization.

3920634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3920634 is about 1980.0590900274. The cubic root of 3920634 is about 157.6832032938.

It can be divided in two parts, 3920 and 634, that added together give a palindrome (4554).

The spelling of 3920634 in words is "three million, nine hundred twenty thousand, six hundred thirty-four".