38158107 has 8 divisors (see below), whose sum is σ = 54791184. Its totient is φ = 23481888.

The previous prime is 38158093. The next prime is 38158121. The reversal of 38158107 is 70185183.

It is an interprime number because it is at equal distance from previous prime (38158093) and next prime (38158121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38158107 - 2¹¹ = 38156059 is a prime.

It is a super-2 number, since 2×38158107² = 2912082259646898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38158147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489168 + ... + 489245.

It is an arithmetic number, because the mean of its divisors is an integer number (6848898).

Almost surely, 2^38158107 is an apocalyptic number.

38158107 is a deficient number, since it is larger than the sum of its proper divisors (16633077).

38158107 is a wasteful number, since it uses less digits than its factorization.

38158107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978429.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 38158107 is about 6177.2248623472. The cubic root of 38158107 is about 336.6631690429.

The spelling of 38158107 in words is "thirty-eight million, one hundred fifty-eight thousand, one hundred seven".