38977447 has 8 divisors (see below), whose sum is σ = 42602112. Its totient is φ = 35500800.

The previous prime is 38977439. The next prime is 38977453. The reversal of 38977447 is 74477983.

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 38977447 - 2³ = 38977439 is a prime.

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 38977447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38977457) 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, 36454 + ... + 37507.

It is an arithmetic number, because the mean of its divisors is an integer number (5325264).

Almost surely, 2^38977447 is an apocalyptic number.

38977447 is a deficient number, since it is larger than the sum of its proper divisors (3624665).

38977447 is a wasteful number, since it uses less digits than its factorization.

38977447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74009.

The product of its digits is 1185408, while the sum is 49.

The square root of 38977447 is about 6243.1920521477. The cubic root of 38977447 is about 339.0557624731.

The spelling of 38977447 in words is "thirty-eight million, nine hundred seventy-seven thousand, four hundred forty-seven".