38913097 has 4 divisors (see below), whose sum is σ = 39080340. Its totient is φ = 38745856.

The previous prime is 38913089. The next prime is 38913103. The reversal of 38913097 is 79031983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79031983 = 911 ⋅86753.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 35712576 = 1789^2 + 5976^2 .

It is a cyclic number.

It is not a de Polignac number, because 38913097 - 2³ = 38913089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38911097) 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, 83272 + ... + 83737.

It is an arithmetic number, because the mean of its divisors is an integer number (9770085).

Almost surely, 2^38913097 is an apocalyptic number.

It is an amenable number.

38913097 is a deficient number, since it is larger than the sum of its proper divisors (167243).

38913097 is a wasteful number, since it uses less digits than its factorization.

38913097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167242.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 38913097 is about 6238.0363096090. The cubic root of 38913097 is about 338.8690711255.

The spelling of 38913097 in words is "thirty-eight million, nine hundred thirteen thousand, ninety-seven".