89892949 has 2 divisors, whose sum is σ = 89892950. Its totient is φ = 89892948.

The previous prime is 89892899. The next prime is 89892967. The reversal of 89892949 is 94929898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49252324 + 40640625 = 7018^2 + 6375^2 .

It is a cyclic number.

It is not a de Polignac number, because 89892949 - 2²¹ = 87795797 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89892893 and 89892902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89892149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44946474 + 44946475.

It is an arithmetic number, because the mean of its divisors is an integer number (44946475).

Almost surely, 2^89892949 is an apocalyptic number.

It is an amenable number.

89892949 is a deficient number, since it is larger than the sum of its proper divisors (1).

89892949 is an equidigital number, since it uses as much as digits as its factorization.

89892949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 58.

The square root of 89892949 is about 9481.1892186582. The cubic root of 89892949 is about 447.9627231021.

The spelling of 89892949 in words is "eighty-nine million, eight hundred ninety-two thousand, nine hundred forty-nine".