84012860 has 24 divisors (see below), whose sum is σ = 179321856. Its totient is φ = 33053760.

The previous prime is 84012811. The next prime is 84012871. The reversal of 84012860 is 6821048.

It is a congruent number.

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, 33212 + ... + 35651.

It is an arithmetic number, because the mean of its divisors is an integer number (7471744).

Almost surely, 2^84012860 is an apocalyptic number.

It is an amenable number.

84012860 is an abundant number, since it is smaller than the sum of its proper divisors (95308996).

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

84012860 is a wasteful number, since it uses less digits than its factorization.

84012860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68933 (or 68931 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 84012860 is about 9165.8529335791. The cubic root of 84012860 is about 437.9742622992.

The spelling of 84012860 in words is "eighty-four million, twelve thousand, eight hundred sixty".