84456156 has 12 divisors (see below), whose sum is σ = 197064392. Its totient is φ = 28152048.

The previous prime is 84456139. The next prime is 84456157. The reversal of 84456156 is 65165448.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×84456156³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84456157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518995 + ... + 3519018.

Almost surely, 2^84456156 is an apocalyptic number.

It is an amenable number.

84456156 is an abundant number, since it is smaller than the sum of its proper divisors (112608236).

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

84456156 is a wasteful number, since it uses less digits than its factorization.

84456156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038020 (or 7038018 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 84456156 is about 9190.0030467895. The cubic root of 84456156 is about 438.7432388306.

The spelling of 84456156 in words is "eighty-four million, four hundred fifty-six thousand, one hundred fifty-six".