84012906 has 16 divisors (see below), whose sum is σ = 168488064. Its totient is φ = 27927264.

The previous prime is 84012899. The next prime is 84012919. The reversal of 84012906 is 60921048.

It is a Curzon 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, 16875 + ... + 21278.

It is an arithmetic number, because the mean of its divisors is an integer number (10530504).

Almost surely, 2^84012906 is an apocalyptic number.

84012906 is an abundant number, since it is smaller than the sum of its proper divisors (84475158).

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

84012906 is a wasteful number, since it uses less digits than its factorization.

84012906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38525.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 84012906 is about 9165.8554428924. The cubic root of 84012906 is about 437.9743422346.

The spelling of 84012906 in words is "eighty-four million, twelve thousand, nine hundred six".