38355479 has 4 divisors (see below), whose sum is σ = 38635584. Its totient is φ = 38075376.

The previous prime is 38355409. The next prime is 38355481. The reversal of 38355479 is 97455383.

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

It is a cyclic number.

It is not a de Polignac number, because 38355479 - 2¹⁶ = 38289943 is a prime.

It is a super-2 number, since 2×38355479² = 2942285538638882, 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 (38355409) 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, 139847 + ... + 140120.

It is an arithmetic number, because the mean of its divisors is an integer number (9658896).

Almost surely, 2^38355479 is an apocalyptic number.

38355479 is a deficient number, since it is larger than the sum of its proper divisors (280105).

38355479 is a wasteful number, since it uses less digits than its factorization.

38355479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280104.

The product of its digits is 453600, while the sum is 44.

The square root of 38355479 is about 6193.1800393659. The cubic root of 38355479 is about 337.2426321378.

The spelling of 38355479 in words is "thirty-eight million, three hundred fifty-five thousand, four hundred seventy-nine".