89739019 has 8 divisors (see below), whose sum is σ = 91187712. Its totient is φ = 88299240.

The previous prime is 89739011. The next prime is 89739029. The reversal of 89739019 is 91093798.

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 89739019 - 2³ = 89739011 is a prime.

It is a super-2 number, since 2×89739019² = 16106183062164722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89739019.

It is not an unprimeable number, because it can be changed into a prime (89739011) 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, 19774 + ... + 23884.

It is an arithmetic number, because the mean of its divisors is an integer number (11398464).

Almost surely, 2^89739019 is an apocalyptic number.

89739019 is a deficient number, since it is larger than the sum of its proper divisors (1448693).

89739019 is a wasteful number, since it uses less digits than its factorization.

89739019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 89739019 is about 9473.0680880061. The cubic root of 89739019 is about 447.7068843555.

The spelling of 89739019 in words is "eighty-nine million, seven hundred thirty-nine thousand, nineteen".