38247987 has 8 divisors (see below), whose sum is σ = 51029440. Its totient is φ = 25482600.

The previous prime is 38247983. The next prime is 38248019. The reversal of 38247987 is 78974283.

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

It is not a de Polignac number, because 38247987 - 2² = 38247983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38247983) 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, 3612 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (6378680).

Almost surely, 2^38247987 is an apocalyptic number.

38247987 is a deficient number, since it is larger than the sum of its proper divisors (12781453).

38247987 is a wasteful number, since it uses less digits than its factorization.

38247987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033.

The product of its digits is 677376, while the sum is 48.

The square root of 38247987 is about 6184.4956948809. The cubic root of 38247987 is about 336.9272942913.

It can be divided in two parts, 3824 and 7987, that added together give a palindrome (11811).

The spelling of 38247987 in words is "thirty-eight million, two hundred forty-seven thousand, nine hundred eighty-seven".