38144477 has 8 divisors (see below), whose sum is σ = 45000192. Its totient is φ = 31640400.

The previous prime is 38144467. The next prime is 38144489. The reversal of 38144477 is 77444183.

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 38144477 - 2⁸ = 38144221 is a prime.

It is a super-2 number, since 2×38144477² = 2910002251207058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38144477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38144437) 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, 87674 + ... + 88107.

It is an arithmetic number, because the mean of its divisors is an integer number (5625024).

Almost surely, 2^38144477 is an apocalyptic number.

It is an amenable number.

38144477 is a deficient number, since it is larger than the sum of its proper divisors (6855715).

38144477 is a wasteful number, since it uses less digits than its factorization.

38144477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175819.

The product of its digits is 75264, while the sum is 38.

The square root of 38144477 is about 6176.1215175869. The cubic root of 38144477 is about 336.6230791309.

The spelling of 38144477 in words is "thirty-eight million, one hundred forty-four thousand, four hundred seventy-seven".