1039992244 has 6 divisors (see below), whose sum is σ = 1819986434. Its totient is φ = 519996120.

The previous prime is 1039992211. The next prime is 1039992257. The reversal of 1039992244 is 4422999301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 613156644 + 426835600 = 24762^2 + 20660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1039992244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129999027 + ... + 129999034.

Almost surely, 2^1039992244 is an apocalyptic number.

It is an amenable number.

1039992244 is a deficient number, since it is larger than the sum of its proper divisors (779994190).

1039992244 is a wasteful number, since it uses less digits than its factorization.

1039992244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259998065 (or 259998063 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1039992244 is about 32248.9107412948. The cubic root of 1039992244 is about 1013.1568852036.

The spelling of 1039992244 in words is "one billion, thirty-nine million, nine hundred ninety-two thousand, two hundred forty-four".