84355402 has 32 divisors (see below), whose sum is σ = 139046400. Its totient is φ = 38232000.

The previous prime is 84355393. The next prime is 84355429. The reversal of 84355402 is 20455348.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 15 ways as a sum of consecutive naturals, for example, 118624 + ... + 119332.

It is an arithmetic number, because the mean of its divisors is an integer number (4345200).

Almost surely, 2^84355402 is an apocalyptic number.

84355402 is a deficient number, since it is larger than the sum of its proper divisors (54690998).

84355402 is a wasteful number, since it uses less digits than its factorization.

84355402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 84355402 is about 9184.5196934842. The cubic root of 84355402 is about 438.5686996433.

The spelling of 84355402 in words is "eighty-four million, three hundred fifty-five thousand, four hundred two".