738930397 has 2 divisors, whose sum is σ = 738930398. Its totient is φ = 738930396.

The previous prime is 738930389. The next prime is 738930403. The reversal of 738930397 is 793039837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518882841 + 220047556 = 22779^2 + 14834^2 .

It is an emirp because it is prime and its reverse (793039837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 738930397 - 2³ = 738930389 is a prime.

It is a super-2 number, since 2×738930397² = 1092036263221155218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 738930397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738930307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369465198 + 369465199.

It is an arithmetic number, because the mean of its divisors is an integer number (369465199).

Almost surely, 2^738930397 is an apocalyptic number.

It is an amenable number.

738930397 is a deficient number, since it is larger than the sum of its proper divisors (1).

738930397 is an equidigital number, since it uses as much as digits as its factorization.

738930397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 738930397 is about 27183.2742141192. The cubic root of 738930397 is about 904.0681665549.

The spelling of 738930397 in words is "seven hundred thirty-eight million, nine hundred thirty thousand, three hundred ninety-seven".