938152997 has 4 divisors (see below), whose sum is σ = 939072876. Its totient is φ = 937233120.

The previous prime is 938152993. The next prime is 938153009. The reversal of 938152997 is 799251839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396846241 + 541306756 = 19921^2 + 23266^2 .

It is a cyclic number.

It is not a de Polignac number, because 938152997 - 2² = 938152993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938152993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458408 + ... + 460449.

It is an arithmetic number, because the mean of its divisors is an integer number (234768219).

Almost surely, 2^938152997 is an apocalyptic number.

It is an amenable number.

938152997 is a deficient number, since it is larger than the sum of its proper divisors (919879).

938152997 is a wasteful number, since it uses less digits than its factorization.

938152997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919878.

The product of its digits is 1224720, while the sum is 53.

The square root of 938152997 is about 30629.2833249490. The cubic root of 938152997 is about 978.9440928272.

The spelling of 938152997 in words is "nine hundred thirty-eight million, one hundred fifty-two thousand, nine hundred ninety-seven".