416402643 has 16 divisors (see below), whose sum is σ = 561496320. Its totient is φ = 274473696.

The previous prime is 416402639. The next prime is 416402659. The reversal of 416402643 is 346204614.

It is not a de Polignac number, because 416402643 - 2² = 416402639 is a prime.

It is a super-2 number, since 2×416402643² = 346782322194770898, 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 416402643.

It is not an unprimeable number, because it can be changed into a prime (416402543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96588 + ... + 100806.

It is an arithmetic number, because the mean of its divisors is an integer number (35093520).

Almost surely, 2^416402643 is an apocalyptic number.

416402643 is a deficient number, since it is larger than the sum of its proper divisors (145093677).

416402643 is a wasteful number, since it uses less digits than its factorization.

416402643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 416402643 is about 20405.9462657334. The cubic root of 416402643 is about 746.7429981709.

The spelling of 416402643 in words is "four hundred sixteen million, four hundred two thousand, six hundred forty-three".