1039988892 has 24 divisors (see below), whose sum is σ = 2427585552. Its totient is φ = 346528000.

The previous prime is 1039988891. The next prime is 1039988893. The reversal of 1039988892 is 2988899301.

It is an interprime number because it is at equal distance from previous prime (1039988891) and next prime (1039988893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039988891) 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, 18142 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (101149398).

Almost surely, 2^1039988892 is an apocalyptic number.

1039988892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1039988892 is an abundant number, since it is smaller than the sum of its proper divisors (1387596660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1039988892 is a wasteful number, since it uses less digits than its factorization.

1039988892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33749 (or 33747 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The square root of 1039988892 is about 32248.8587705054. The cubic root of 1039988892 is about 1013.1557967001.

The spelling of 1039988892 in words is "one billion, thirty-nine million, nine hundred eighty-eight thousand, eight hundred ninety-two".