89144434 has 16 divisors (see below), whose sum is σ = 138841920. Its totient is φ = 42875280.

The previous prime is 89144431. The next prime is 89144449. The reversal of 89144434 is 43444198.

It is a happy number.

It is a super-2 number, since 2×89144434² = 15893460226360712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89144393 and 89144402.

It is not an unprimeable number, because it can be changed into a prime (89144431) 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, 13699 + ... + 19129.

It is an arithmetic number, because the mean of its divisors is an integer number (8677620).

Almost surely, 2^89144434 is an apocalyptic number.

89144434 is a deficient number, since it is larger than the sum of its proper divisors (49697486).

89144434 is a wasteful number, since it uses less digits than its factorization.

89144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745.

The product of its digits is 55296, while the sum is 37.

The square root of 89144434 is about 9441.6330155329. The cubic root of 89144434 is about 446.7158999962.

The spelling of 89144434 in words is "eighty-nine million, one hundred forty-four thousand, four hundred thirty-four".