1039474391 has 2 divisors, whose sum is σ = 1039474392. Its totient is φ = 1039474390.

The previous prime is 1039474349. The next prime is 1039474421. The reversal of 1039474391 is 1934749301.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1934749301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1039474391 - 2⁶ = 1039474327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039474691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519737195 + 519737196.

It is an arithmetic number, because the mean of its divisors is an integer number (519737196).

Almost surely, 2^1039474391 is an apocalyptic number.

1039474391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039474391 is an equidigital number, since it uses as much as digits as its factorization.

1039474391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1039474391 is about 32240.8807416919. The cubic root of 1039474391 is about 1012.9886937439.

The spelling of 1039474391 in words is "one billion, thirty-nine million, four hundred seventy-four thousand, three hundred ninety-one".