402193065 has 16 divisors (see below), whose sum is σ = 671488128. Its totient is φ = 205176576.

The previous prime is 402193063. The next prime is 402193073. The reversal of 402193065 is 560391204.

It is not a de Polignac number, because 402193065 - 2¹ = 402193063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402193063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582544 + ... + 583233.

It is an arithmetic number, because the mean of its divisors is an integer number (41968008).

Almost surely, 2^402193065 is an apocalyptic number.

It is an amenable number.

402193065 is a deficient number, since it is larger than the sum of its proper divisors (269295063).

402193065 is a wasteful number, since it uses less digits than its factorization.

402193065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165808.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 402193065 is about 20054.7516813348. The cubic root of 402193065 is about 738.1503997203.

The spelling of 402193065 in words is "four hundred two million, one hundred ninety-three thousand, sixty-five".