38079947 has 4 divisors (see below), whose sum is σ = 38228376. Its totient is φ = 37931520.

The previous prime is 38079941. The next prime is 38079953. The reversal of 38079947 is 74997083.

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

It is an interprime number because it is at equal distance from previous prime (38079941) and next prime (38079953).

It is a cyclic number.

It is not a de Polignac number, because 38079947 - 2⁶ = 38079883 is a prime.

It is a super-3 number, since 3×38079947³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38079941) 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, 73829 + ... + 74342.

It is an arithmetic number, because the mean of its divisors is an integer number (9557094).

Almost surely, 2^38079947 is an apocalyptic number.

38079947 is a deficient number, since it is larger than the sum of its proper divisors (148429).

38079947 is a wasteful number, since it uses less digits than its factorization.

38079947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148428.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 38079947 is about 6170.8951538654. The cubic root of 38079947 is about 336.4331473250.

The spelling of 38079947 in words is "thirty-eight million, seventy-nine thousand, nine hundred forty-seven".