89391394 has 4 divisors (see below), whose sum is σ = 134087094. Its totient is φ = 44695696.

The previous prime is 89391377. The next prime is 89391473. The reversal of 89391394 is 49319398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 20584369 = 8295^2 + 4537^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22347847 + ... + 22347850.

Almost surely, 2^89391394 is an apocalyptic number.

89391394 is a deficient number, since it is larger than the sum of its proper divisors (44695700).

89391394 is a wasteful number, since it uses less digits than its factorization.

89391394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44695699.

The product of its digits is 209952, while the sum is 46.

The square root of 89391394 is about 9454.7022163577. The cubic root of 89391394 is about 447.1280372992.

The spelling of 89391394 in words is "eighty-nine million, three hundred ninety-one thousand, three hundred ninety-four".