84346770 has 16 divisors (see below), whose sum is σ = 202432320. Its totient is φ = 22492464.

The previous prime is 84346763. The next prime is 84346771. The reversal of 84346770 is 7764348.

It is a happy number.

It is a super-2 number, since 2×84346770² = 14228755218865800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84346771) by changing a digit.

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, 1405750 + ... + 1405809.

It is an arithmetic number, because the mean of its divisors is an integer number (12652020).

Almost surely, 2^84346770 is an apocalyptic number.

84346770 is an abundant number, since it is smaller than the sum of its proper divisors (118085550).

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

84346770 is a wasteful number, since it uses less digits than its factorization.

84346770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811569.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 84346770 is about 9184.0497603182. The cubic root of 84346770 is about 438.5537397077.

The spelling of 84346770 in words is "eighty-four million, three hundred forty-six thousand, seven hundred seventy".