84992906 has 4 divisors (see below), whose sum is σ = 127489362. Its totient is φ = 42496452.

The previous prime is 84992857. The next prime is 84992933. The reversal of 84992906 is 60929948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46117681 + 38875225 = 6791^2 + 6235^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21248225 + ... + 21248228.

Almost surely, 2^84992906 is an apocalyptic number.

84992906 is a deficient number, since it is larger than the sum of its proper divisors (42496456).

84992906 is a wasteful number, since it uses less digits than its factorization.

84992906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42496455.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 84992906 is about 9219.1597230984. The cubic root of 84992906 is about 439.6707350678.

The spelling of 84992906 in words is "eighty-four million, nine hundred ninety-two thousand, nine hundred six".