38423279 has 8 divisors (see below), whose sum is σ = 39675648. Its totient is φ = 37182240.

The previous prime is 38423267. The next prime is 38423303. The reversal of 38423279 is 97232483.

It is a happy number.

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 38423279 - 2⁸ = 38423023 is a prime.

It is a super-2 number, since 2×38423279² = 2952696738223682, 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 (38423239) 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, 4349 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (4959456).

Almost surely, 2^38423279 is an apocalyptic number.

38423279 is a deficient number, since it is larger than the sum of its proper divisors (1252369).

38423279 is a wasteful number, since it uses less digits than its factorization.

38423279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665.

The product of its digits is 72576, while the sum is 38.

The square root of 38423279 is about 6198.6513855838. The cubic root of 38423279 is about 337.4412268942.

The spelling of 38423279 in words is "thirty-eight million, four hundred twenty-three thousand, two hundred seventy-nine".