992437090 has 8 divisors (see below), whose sum is σ = 1786386780. Its totient is φ = 396974832.

The previous prime is 992437049. The next prime is 992437093. The reversal of 992437090 is 90734299.

It can be written as a sum of positive squares in 2 ways, for example, as 977000049 + 15437041 = 31257^2 + 3929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (992437093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49621845 + ... + 49621864.

Almost surely, 2^992437090 is an apocalyptic number.

992437090 is a deficient number, since it is larger than the sum of its proper divisors (793949690).

992437090 is a wasteful number, since it uses less digits than its factorization.

992437090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99243716.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 992437090 is about 31502.9695425685. The cubic root of 992437090 is about 997.4726478724.

The spelling of 992437090 in words is "nine hundred ninety-two million, four hundred thirty-seven thousand, ninety".