1039493616 has 80 divisors (see below), whose sum is σ = 3099468288. Its totient is φ = 294048000.

The previous prime is 1039493599. The next prime is 1039493617. The reversal of 1039493616 is 6163949301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039493617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18621 + ... + 49251.

Almost surely, 2^1039493616 is an apocalyptic number.

1039493616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1039493616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549734144).

1039493616 is an abundant number, since it is smaller than the sum of its proper divisors (2059974672).

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

1039493616 is a wasteful number, since it uses less digits than its factorization.

1039493616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30750 (or 30744 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1039493616 is about 32241.1788866350. The cubic root of 1039493616 is about 1012.9949387551.

The spelling of 1039493616 in words is "one billion, thirty-nine million, four hundred ninety-three thousand, six hundred sixteen".