1039490940 has 24 divisors (see below), whose sum is σ = 2910574800. Its totient is φ = 277197568.

The previous prime is 1039490929. The next prime is 1039490941. The reversal of 1039490940 is 490949301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039490941) 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, 8662365 + ... + 8662484.

It is an arithmetic number, because the mean of its divisors is an integer number (121273950).

Almost surely, 2^1039490940 is an apocalyptic number.

1039490940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1039490940 is an abundant number, since it is smaller than the sum of its proper divisors (1871083860).

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

1039490940 is a wasteful number, since it uses less digits than its factorization.

1039490940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17324861 (or 17324859 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1039490940 is about 32241.1373868851. The cubic root of 1039490940 is about 1012.9940694931.

The spelling of 1039490940 in words is "one billion, thirty-nine million, four hundred ninety thousand, nine hundred forty".