406353634 has 8 divisors (see below), whose sum is σ = 622499328. Its totient is φ = 198853860.

The previous prime is 406353559. The next prime is 406353653. The reversal of 406353634 is 436353604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 406353634.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161362 + ... + 2161549.

It is an arithmetic number, because the mean of its divisors is an integer number (77812416).

Almost surely, 2^406353634 is an apocalyptic number.

406353634 is a deficient number, since it is larger than the sum of its proper divisors (216145694).

406353634 is a wasteful number, since it uses less digits than its factorization.

406353634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322960.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 406353634 is about 20158.2150499492. The cubic root of 406353634 is about 740.6869892485.

The spelling of 406353634 in words is "four hundred six million, three hundred fifty-three thousand, six hundred thirty-four".