84270996 has 24 divisors (see below), whose sum is σ = 218480640. Its totient is φ = 28090296.

The previous prime is 84270961. The next prime is 84270997. The reversal of 84270996 is 69907248.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84270997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390036 + ... + 390251.

It is an arithmetic number, because the mean of its divisors is an integer number (9103360).

Almost surely, 2^84270996 is an apocalyptic number.

It is an amenable number.

84270996 is an abundant number, since it is smaller than the sum of its proper divisors (134209644).

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

84270996 is a wasteful number, since it uses less digits than its factorization.

84270996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780300 (or 780292 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 84270996 is about 9179.9235290933. The cubic root of 84270996 is about 438.4223735740.

The spelling of 84270996 in words is "eighty-four million, two hundred seventy thousand, nine hundred ninety-six".