92128906 has 4 divisors (see below), whose sum is σ = 138193362. Its totient is φ = 46064452.

The previous prime is 92128903. The next prime is 92128909. The reversal of 92128906 is 60982129.

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

It is an interprime number because it is at equal distance from previous prime (92128903) and next prime (92128909).

It can be written as a sum of positive squares in only one way, i.e., 63345681 + 28783225 = 7959^2 + 5365^2 .

It is not an unprimeable number, because it can be changed into a prime (92128903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23032225 + ... + 23032228.

Almost surely, 2^92128906 is an apocalyptic number.

92128906 is a deficient number, since it is larger than the sum of its proper divisors (46064456).

92128906 is a wasteful number, since it uses less digits than its factorization.

92128906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46064455.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 92128906 is about 9598.3803842107. The cubic root of 92128906 is about 451.6464885406.

The spelling of 92128906 in words is "ninety-two million, one hundred twenty-eight thousand, nine hundred six".