83092890 has 32 divisors (see below), whose sum is σ = 209920320. Its totient is φ = 20991744.

The previous prime is 83092853. The next prime is 83092897. The reversal of 83092890 is 9829038.

It is not an unprimeable number, because it can be changed into a prime (83092897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72319 + ... + 73458.

It is an arithmetic number, because the mean of its divisors is an integer number (6560010).

Almost surely, 2^83092890 is an apocalyptic number.

83092890 is an abundant number, since it is smaller than the sum of its proper divisors (126827430).

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

83092890 is a wasteful number, since it uses less digits than its factorization.

83092890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145806.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 83092890 is about 9115.5301546317. The cubic root of 83092890 is about 436.3697344871.

The spelling of 83092890 in words is "eighty-three million, ninety-two thousand, eight hundred ninety".