38454231 has 8 divisors (see below), whose sum is σ = 51354864. Its totient is φ = 25594880.

The previous prime is 38454223. The next prime is 38454257. The reversal of 38454231 is 13245483.

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 38454231 - 2³ = 38454223 is a prime.

It is a super-2 number, since 2×38454231² = 2957455763602722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38454281) 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, 8076 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (6419358).

Almost surely, 2^38454231 is an apocalyptic number.

38454231 is a deficient number, since it is larger than the sum of its proper divisors (12900633).

38454231 is a wasteful number, since it uses less digits than its factorization.

38454231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641.

The product of its digits is 11520, while the sum is 30.

The square root of 38454231 is about 6201.1475550901. The cubic root of 38454231 is about 337.5318115419.

It can be divided in two parts, 384 and 54231, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 38454231 in words is "thirty-eight million, four hundred fifty-four thousand, two hundred thirty-one".