84290906 has 16 divisors (see below), whose sum is σ = 150781824. Its totient is φ = 34553904.

The previous prime is 84290903. The next prime is 84290911. The reversal of 84290906 is 60909248.

It is a self number, because there is not a number n which added to its sum of digits gives 84290906.

It is not an unprimeable number, because it can be changed into a prime (84290903) 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, 130565 + ... + 131208.

It is an arithmetic number, because the mean of its divisors is an integer number (9423864).

Almost surely, 2^84290906 is an apocalyptic number.

84290906 is a deficient number, since it is larger than the sum of its proper divisors (66490918).

84290906 is a wasteful number, since it uses less digits than its factorization.

84290906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261805.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 84290906 is about 9181.0078967399. The cubic root of 84290906 is about 438.4568983117.

The spelling of 84290906 in words is "eighty-four million, two hundred ninety thousand, nine hundred six".