38669155 has 8 divisors (see below), whose sum is σ = 53032032. Its totient is φ = 26515968.

The previous prime is 38669143. The next prime is 38669159. The reversal of 38669155 is 55196683.

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

It is a cyclic number.

It is not a de Polignac number, because 38669155 - 2¹⁵ = 38636387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38669159) 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, 552382 + ... + 552451.

It is an arithmetic number, because the mean of its divisors is an integer number (6629004).

Almost surely, 2^38669155 is an apocalyptic number.

38669155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38669155 is a deficient number, since it is larger than the sum of its proper divisors (14362877).

38669155 is a wasteful number, since it uses less digits than its factorization.

38669155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104845.

The product of its digits is 194400, while the sum is 43.

The square root of 38669155 is about 6218.4527818421. The cubic root of 38669155 is about 338.1594750639.

The spelling of 38669155 in words is "thirty-eight million, six hundred sixty-nine thousand, one hundred fifty-five".