402875854 has 4 divisors (see below), whose sum is σ = 604313784. Its totient is φ = 201437926.

The previous prime is 402875821. The next prime is 402875857. The reversal of 402875854 is 458578204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 402875854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402875857) 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 as a sum of consecutive naturals, namely, 100718962 + ... + 100718965.

It is an arithmetic number, because the mean of its divisors is an integer number (151078446).

Almost surely, 2^402875854 is an apocalyptic number.

402875854 is a deficient number, since it is larger than the sum of its proper divisors (201437930).

402875854 is a wasteful number, since it uses less digits than its factorization.

402875854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201437929.

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 402875854 is about 20071.7675853424. The cubic root of 402875854 is about 738.5678742100.

The spelling of 402875854 in words is "four hundred two million, eight hundred seventy-five thousand, eight hundred fifty-four".