738089391 has 16 divisors (see below), whose sum is σ = 1122164064. Its totient is φ = 427490304.

The previous prime is 738089381. The next prime is 738089419. The reversal of 738089391 is 193980837.

It is not a de Polignac number, because 738089391 - 2⁷ = 738089263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 738089391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738089311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555966 + ... + 557291.

It is an arithmetic number, because the mean of its divisors is an integer number (70135254).

Almost surely, 2^738089391 is an apocalyptic number.

738089391 is a deficient number, since it is larger than the sum of its proper divisors (384074673).

738089391 is a wasteful number, since it uses less digits than its factorization.

738089391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113290.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 738089391 is about 27167.8006286854. The cubic root of 738089391 is about 903.7250510685.

The spelling of 738089391 in words is "seven hundred thirty-eight million, eighty-nine thousand, three hundred ninety-one".