38945254 has 4 divisors (see below), whose sum is σ = 58417884. Its totient is φ = 19472626.

The previous prime is 38945239. The next prime is 38945261. The reversal of 38945254 is 45254983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45254983 = 643 ⋅70381.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9736312 + ... + 9736315.

It is an arithmetic number, because the mean of its divisors is an integer number (14604471).

Almost surely, 2^38945254 is an apocalyptic number.

38945254 is a deficient number, since it is larger than the sum of its proper divisors (19472630).

38945254 is a wasteful number, since it uses less digits than its factorization.

38945254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472629.

The product of its digits is 172800, while the sum is 40.

The square root of 38945254 is about 6240.6132711457. The cubic root of 38945254 is about 338.9623902841.

The spelling of 38945254 in words is "thirty-eight million, nine hundred forty-five thousand, two hundred fifty-four".