89831949 has 8 divisors (see below), whose sum is σ = 120836352. Its totient is φ = 59357760.

The previous prime is 89831933. The next prime is 89831953. The reversal of 89831949 is 94913898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89831949 - 2⁴ = 89831933 is a prime.

It is a super-2 number, since 2×89831949² = 16139558122277202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89831909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132157 + ... + 132834.

It is an arithmetic number, because the mean of its divisors is an integer number (15104544).

Almost surely, 2^89831949 is an apocalyptic number.

It is an amenable number.

89831949 is a deficient number, since it is larger than the sum of its proper divisors (31004403).

89831949 is a wasteful number, since it uses less digits than its factorization.

89831949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265107.

The product of its digits is 559872, while the sum is 51.

The square root of 89831949 is about 9477.9717767041. The cubic root of 89831949 is about 447.8613732570.

The spelling of 89831949 in words is "eighty-nine million, eight hundred thirty-one thousand, nine hundred forty-nine".