38466157 has 2 divisors, whose sum is σ = 38466158. Its totient is φ = 38466156.

The previous prime is 38466139. The next prime is 38466161. The reversal of 38466157 is 75166483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37871716 + 594441 = 6154^2 + 771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38466157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38466187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19233078 + 19233079.

It is an arithmetic number, because the mean of its divisors is an integer number (19233079).

Almost surely, 2^38466157 is an apocalyptic number.

It is an amenable number.

38466157 is a deficient number, since it is larger than the sum of its proper divisors (1).

38466157 is an equidigital number, since it uses as much as digits as its factorization.

38466157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 38466157 is about 6202.1090767577. The cubic root of 38466157 is about 337.5667014029.

The spelling of 38466157 in words is "thirty-eight million, four hundred sixty-six thousand, one hundred fifty-seven".