89156402 has 4 divisors (see below), whose sum is σ = 133734606. Its totient is φ = 44578200.

The previous prime is 89156401. The next prime is 89156423. The reversal of 89156402 is 20465198.

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., 53860921 + 35295481 = 7339^2 + 5941^2 .

It is not an unprimeable number, because it can be changed into a prime (89156401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22289099 + ... + 22289102.

Almost surely, 2^89156402 is an apocalyptic number.

89156402 is a deficient number, since it is larger than the sum of its proper divisors (44578204).

89156402 is a wasteful number, since it uses less digits than its factorization.

89156402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44578203.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 89156402 is about 9442.2667829288. The cubic root of 89156402 is about 446.7358902391.

The spelling of 89156402 in words is "eighty-nine million, one hundred fifty-six thousand, four hundred two".