336400642 has 8 divisors (see below), whose sum is σ = 504996300. Its totient is φ = 168068544.

The previous prime is 336400639. The next prime is 336400679. The reversal of 336400642 is 246004633.

It can be written as a sum of positive squares in 2 ways, for example, as 327573801 + 8826841 = 18099^2 + 2971^2 .

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

It is a super-2 number, since 2×336400642² = 226330783876024328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 336400642.

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, 62667 + ... + 67822.

Almost surely, 2^336400642 is an apocalyptic number.

336400642 is a deficient number, since it is larger than the sum of its proper divisors (168595658).

336400642 is a wasteful number, since it uses less digits than its factorization.

336400642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131780.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 336400642 is about 18341.2279305394. The cubic root of 336400642 is about 695.4815371342.

The spelling of 336400642 in words is "three hundred thirty-six million, four hundred thousand, six hundred forty-two".