84420002 has 16 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 39878640.

The previous prime is 84419981. The next prime is 84420019. The reversal of 84420002 is 20002448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11927 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^84420002 is an apocalyptic number.

84420002 is a deficient number, since it is larger than the sum of its proper divisors (49240798).

84420002 is a wasteful number, since it uses less digits than its factorization.

84420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 84420002 is about 9188.0358075053. The cubic root of 84420002 is about 438.6806241446.

The spelling of 84420002 in words is "eighty-four million, four hundred twenty thousand, two".