402679030 has 16 divisors (see below), whose sum is σ = 780578064. Its totient is φ = 148681440.

The previous prime is 402679019. The next prime is 402679063. The reversal of 402679030 is 30976204.

It is a junction number, because it is equal to n+sod(n) for n = 402678983 and 402679001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548636 + ... + 1548895.

It is an arithmetic number, because the mean of its divisors is an integer number (48786129).

Almost surely, 2^402679030 is an apocalyptic number.

402679030 is a deficient number, since it is larger than the sum of its proper divisors (377899034).

402679030 is a wasteful number, since it uses less digits than its factorization.

402679030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097551.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 402679030 is about 20066.8639802038. The cubic root of 402679030 is about 738.4475794498.

The spelling of 402679030 in words is "four hundred two million, six hundred seventy-nine thousand, thirty".