738413993 has 4 divisors (see below), whose sum is σ = 738932880. Its totient is φ = 737895108.

The previous prime is 738413959. The next prime is 738413999. The reversal of 738413993 is 399314837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 738413993 - 2¹² = 738409897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738413999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257303 + ... + 260156.

It is an arithmetic number, because the mean of its divisors is an integer number (184733220).

Almost surely, 2^738413993 is an apocalyptic number.

It is an amenable number.

738413993 is a deficient number, since it is larger than the sum of its proper divisors (518887).

738413993 is a wasteful number, since it uses less digits than its factorization.

738413993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518886.

The product of its digits is 489888, while the sum is 47.

The square root of 738413993 is about 27173.7739925834. The cubic root of 738413993 is about 903.8575137797.

The spelling of 738413993 in words is "seven hundred thirty-eight million, four hundred thirteen thousand, nine hundred ninety-three".