89291919 has 8 divisors (see below), whose sum is σ = 119509632. Its totient is φ = 59301080.

The previous prime is 89291903. The next prime is 89291933. The reversal of 89291919 is 91919298.

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

It is a cyclic number.

It is not a de Polignac number, because 89291919 - 2⁴ = 89291903 is a prime.

It is a super-2 number, since 2×89291919² = 15946093597405122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89291219) 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, 55797 + ... + 57374.

It is an arithmetic number, because the mean of its divisors is an integer number (14938704).

Almost surely, 2^89291919 is an apocalyptic number.

89291919 is a deficient number, since it is larger than the sum of its proper divisors (30217713).

89291919 is a wasteful number, since it uses less digits than its factorization.

89291919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113437.

The product of its digits is 104976, while the sum is 48.

The square root of 89291919 is about 9449.4401421460. The cubic root of 89291919 is about 446.9621206184.

The spelling of 89291919 in words is "eighty-nine million, two hundred ninety-one thousand, nine hundred nineteen".