89215402 has 8 divisors (see below), whose sum is σ = 134122500. Its totient is φ = 44507904.

The previous prime is 89215381. The next prime is 89215403. The reversal of 89215402 is 20451298.

It can be written as a sum of positive squares in 2 ways, for example, as 83010321 + 6205081 = 9111^2 + 2491^2 .

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

It is not an unprimeable number, because it can be changed into a prime (89215403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48777 + ... + 50572.

Almost surely, 2^89215402 is an apocalyptic number.

89215402 is a deficient number, since it is larger than the sum of its proper divisors (44907098).

89215402 is a wasteful number, since it uses less digits than its factorization.

89215402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99800.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 89215402 is about 9445.3905160136. The cubic root of 89215402 is about 446.8344122558.

The spelling of 89215402 in words is "eighty-nine million, two hundred fifteen thousand, four hundred two".