38116791 has 16 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 24819480.

The previous prime is 38116787. The next prime is 38116823. The reversal of 38116791 is 19761183.

It is not a de Polignac number, because 38116791 - 2² = 38116787 is a prime.

It is a super-2 number, since 2×38116791² = 2905779512275362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38116751) 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, 15255 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^38116791 is an apocalyptic number.

38116791 is a deficient number, since it is larger than the sum of its proper divisors (19667529).

38116791 is a wasteful number, since it uses less digits than its factorization.

38116791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32883 (or 32877 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 38116791 is about 6173.8797364380. The cubic root of 38116791 is about 336.5416169025.

The spelling of 38116791 in words is "thirty-eight million, one hundred sixteen thousand, seven hundred ninety-one".