38652157 has 4 divisors (see below), whose sum is σ = 39985020. Its totient is φ = 37319296.

The previous prime is 38652151. The next prime is 38652181. The reversal of 38652157 is 75125683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75125683 = 2713 ⋅27691.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 28955161 = 3114^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 38652157 - 2³ = 38652149 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 (38652151) 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, 666388 + ... + 666445.

It is an arithmetic number, because the mean of its divisors is an integer number (9996255).

Almost surely, 2^38652157 is an apocalyptic number.

It is an amenable number.

38652157 is a deficient number, since it is larger than the sum of its proper divisors (1332863).

38652157 is a wasteful number, since it uses less digits than its factorization.

38652157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332862.

The product of its digits is 50400, while the sum is 37.

The square root of 38652157 is about 6217.0858929244. The cubic root of 38652157 is about 338.1099189668.

It can be divided in two parts, 38652 and 157, that added together give a square (38809 = 197²).

The spelling of 38652157 in words is "thirty-eight million, six hundred fifty-two thousand, one hundred fifty-seven".