89937149 has 8 divisors (see below), whose sum is σ = 95308920. Its totient is φ = 84716800.

The previous prime is 89937109. The next prime is 89937161. The reversal of 89937149 is 94173998.

It can be written as a sum of positive squares in 4 ways, for example, as 20748025 + 69189124 = 4555^2 + 8318^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89937149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89937097 and 89937106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89937109) 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, 36632 + ... + 39009.

It is an arithmetic number, because the mean of its divisors is an integer number (11913615).

Almost surely, 2^89937149 is an apocalyptic number.

It is an amenable number.

89937149 is a deficient number, since it is larger than the sum of its proper divisors (5371771).

89937149 is a wasteful number, since it uses less digits than its factorization.

89937149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75711.

The product of its digits is 489888, while the sum is 50.

The square root of 89937149 is about 9483.5198634262. The cubic root of 89937149 is about 448.0361315592.

The spelling of 89937149 in words is "eighty-nine million, nine hundred thirty-seven thousand, one hundred forty-nine".