84151632 has 80 divisors (see below), whose sum is σ = 231628032. Its totient is φ = 26234880.

The previous prime is 84151631. The next prime is 84151637. The reversal of 84151632 is 23615148.

It is a self number, because there is not a number n which added to its sum of digits gives 84151632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84151631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229113 + ... + 229479.

Almost surely, 2^84151632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84151632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115814016).

84151632 is an abundant number, since it is smaller than the sum of its proper divisors (147476400).

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

84151632 is a wasteful number, since it uses less digits than its factorization.

84151632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 670 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 84151632 is about 9173.4198639330. The cubic root of 84151632 is about 438.2152775058.

The spelling of 84151632 in words is "eighty-four million, one hundred fifty-one thousand, six hundred thirty-two".