993489039 has 6 divisors (see below), whose sum is σ = 1435039736. Its totient is φ = 662326020.

The previous prime is 993489037. The next prime is 993489053. The reversal of 993489039 is 930984399.

It is not a de Polignac number, because 993489039 - 2¹ = 993489037 is a prime.

It is a super-2 number, since 2×993489039² = 1974040941226287042, 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 (993489037) 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, 55193827 + ... + 55193844.

Almost surely, 2^993489039 is an apocalyptic number.

993489039 is a deficient number, since it is larger than the sum of its proper divisors (441550697).

993489039 is a wasteful number, since it uses less digits than its factorization.

993489039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110387677 (or 110387674 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 993489039 is about 31519.6611498284. The cubic root of 993489039 is about 997.8249522639.

The spelling of 993489039 in words is "nine hundred ninety-three million, four hundred eighty-nine thousand, thirty-nine".