407679402 has 32 divisors (see below), whose sum is σ = 886152960. Its totient is φ = 124286400.

The previous prime is 407679383. The next prime is 407679403. The reversal of 407679402 is 204976704.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (407679403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15474 + ... + 32477.

It is an arithmetic number, because the mean of its divisors is an integer number (27692280).

Almost surely, 2^407679402 is an apocalyptic number.

407679402 is an abundant number, since it is smaller than the sum of its proper divisors (478473558).

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

407679402 is a wasteful number, since it uses less digits than its factorization.

407679402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48078.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 407679402 is about 20191.0723340787. The cubic root of 407679402 is about 741.4916357631.

The spelling of 407679402 in words is "four hundred seven million, six hundred seventy-nine thousand, four hundred two".