90798862 has 24 divisors (see below), whose sum is σ = 172839960. Its totient is φ = 35375760.

The previous prime is 90798859. The next prime is 90798881. The reversal of 90798862 is 26889709.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41037 + ... + 43192.

It is an arithmetic number, because the mean of its divisors is an integer number (7201665).

Almost surely, 2^90798862 is an apocalyptic number.

90798862 is a deficient number, since it is larger than the sum of its proper divisors (82041098).

90798862 is a wasteful number, since it uses less digits than its factorization.

90798862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84256 (or 84249 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 90798862 is about 9528.8436864081. The cubic root of 90798862 is about 449.4625055802.

The spelling of 90798862 in words is "ninety million, seven hundred ninety-eight thousand, eight hundred sixty-two".