1039908393 has 6 divisors (see below), whose sum is σ = 1502089914. Its totient is φ = 693272256.

The previous prime is 1039908391. The next prime is 1039908403. The reversal of 1039908393 is 3938099301.

It can be written as a sum of positive squares in only one way, i.e., 729162009 + 310746384 = 27003^2 + 17628^2 .

It is not a de Polignac number, because 1039908393 - 2¹ = 1039908391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1039908391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57772680 + ... + 57772697.

It is an arithmetic number, because the mean of its divisors is an integer number (250348319).

Almost surely, 2^1039908393 is an apocalyptic number.

It is an amenable number.

1039908393 is a deficient number, since it is larger than the sum of its proper divisors (462181521).

1039908393 is a wasteful number, since it uses less digits than its factorization.

1039908393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115545383 (or 115545380 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 1039908393 is about 32247.6106556749. The cubic root of 1039908393 is about 1013.1296553526.

The spelling of 1039908393 in words is "one billion, thirty-nine million, nine hundred eight thousand, three hundred ninety-three".