89983951 has 2 divisors, whose sum is σ = 89983952. Its totient is φ = 89983950.

The previous prime is 89983939. The next prime is 89984003. The reversal of 89983951 is 15938998.

It is an a-pointer prime, because the next prime (89984003) can be obtained adding 89983951 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89983951 - 2⁵ = 89983919 is a prime.

It is a super-2 number, since 2×89983951² = 16194222875140802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89983351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44991975 + 44991976.

It is an arithmetic number, because the mean of its divisors is an integer number (44991976).

Almost surely, 2^89983951 is an apocalyptic number.

89983951 is a deficient number, since it is larger than the sum of its proper divisors (1).

89983951 is an equidigital number, since it uses as much as digits as its factorization.

89983951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 52.

The square root of 89983951 is about 9485.9870862236. The cubic root of 89983951 is about 448.1138352704.

The spelling of 89983951 in words is "eighty-nine million, nine hundred eighty-three thousand, nine hundred fifty-one".