1039734657 has 16 divisors (see below), whose sum is σ = 1658836480. Its totient is φ = 639836496.

The previous prime is 1039734653. The next prime is 1039734659. The reversal of 1039734657 is 7564379301.

It is not a de Polignac number, because 1039734657 - 2² = 1039734653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039734653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480753 + ... + 1481454.

It is an arithmetic number, because the mean of its divisors is an integer number (103677280).

Almost surely, 2^1039734657 is an apocalyptic number.

It is an amenable number.

1039734657 is a deficient number, since it is larger than the sum of its proper divisors (619101823).

1039734657 is a wasteful number, since it uses less digits than its factorization.

1039734657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962229 (or 2962223 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 1039734657 is about 32244.9167621813. The cubic root of 1039734657 is about 1013.0732315054.

It can be divided in two parts, 10397 and 34657, that added together give a palindrome (45054).

The spelling of 1039734657 in words is "one billion, thirty-nine million, seven hundred thirty-four thousand, six hundred fifty-seven".