89948997 has 6 divisors (see below), whose sum is σ = 129926342. Its totient is φ = 59965992.

The previous prime is 89948959. The next prime is 89949019. The reversal of 89948997 is 79984998.

It can be written as a sum of positive squares in only one way, i.e., 49575681 + 40373316 = 7041^2 + 6354^2 .

It is not a de Polignac number, because 89948997 - 2⁶ = 89948933 is a prime.

It is a super-2 number, since 2×89948997² = 16181644122612018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89948917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4997158 + ... + 4997175.

Almost surely, 2^89948997 is an apocalyptic number.

It is an amenable number.

89948997 is a deficient number, since it is larger than the sum of its proper divisors (39977345).

89948997 is a wasteful number, since it uses less digits than its factorization.

89948997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994339 (or 9994336 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 89948997 is about 9484.1445054364. The cubic root of 89948997 is about 448.0558049239.

The spelling of 89948997 in words is "eighty-nine million, nine hundred forty-eight thousand, nine hundred ninety-seven".