937081989 has 6 divisors (see below), whose sum is σ = 1353562886. Its totient is φ = 624721320.

The previous prime is 937081961. The next prime is 937082021. The reversal of 937081989 is 989180739.

It can be written as a sum of positive squares in only one way, i.e., 801173025 + 135908964 = 28305^2 + 11658^2 .

It is not a de Polignac number, because 937081989 - 2⁷ = 937081861 is a prime.

It is a super-2 number, since 2×937081989² = 1756245308216392242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (937081909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52060102 + ... + 52060119.

Almost surely, 2^937081989 is an apocalyptic number.

It is an amenable number.

937081989 is a deficient number, since it is larger than the sum of its proper divisors (416480897).

937081989 is a wasteful number, since it uses less digits than its factorization.

937081989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104120227 (or 104120224 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 937081989 is about 30611.7949326726. The cubic root of 937081989 is about 978.5714257573.

The spelling of 937081989 in words is "nine hundred thirty-seven million, eighty-one thousand, nine hundred eighty-nine".