38512479 has 4 divisors (see below), whose sum is σ = 51349976. Its totient is φ = 25674984.

The previous prime is 38512469. The next prime is 38512517. The reversal of 38512479 is 97421583.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38512479 - 2⁷ = 38512351 is a prime.

It is a super-2 number, since 2×38512479² = 2966422077450882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38512469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6418744 + ... + 6418749.

It is an arithmetic number, because the mean of its divisors is an integer number (12837494).

Almost surely, 2^38512479 is an apocalyptic number.

38512479 is a deficient number, since it is larger than the sum of its proper divisors (12837497).

38512479 is a wasteful number, since it uses less digits than its factorization.

38512479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837496.

The product of its digits is 60480, while the sum is 39.

The square root of 38512479 is about 6205.8423280003. The cubic root of 38512479 is about 337.7021494037.

The spelling of 38512479 in words is "thirty-eight million, five hundred twelve thousand, four hundred seventy-nine".