38262891 has 4 divisors (see below), whose sum is σ = 51017192. Its totient is φ = 25508592.

The previous prime is 38262863. The next prime is 38262899. The reversal of 38262891 is 19826283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19826283 = 3 ⋅6608761.

It is not a de Polignac number, because 38262891 - 2¹⁸ = 38000747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38262899) 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, 6377146 + ... + 6377151.

It is an arithmetic number, because the mean of its divisors is an integer number (12754298).

Almost surely, 2^38262891 is an apocalyptic number.

38262891 is a deficient number, since it is larger than the sum of its proper divisors (12754301).

38262891 is a wasteful number, since it uses less digits than its factorization.

38262891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754300.

The product of its digits is 41472, while the sum is 39.

The square root of 38262891 is about 6185.7005262137. The cubic root of 38262891 is about 336.9710518211.

The spelling of 38262891 in words is "thirty-eight million, two hundred sixty-two thousand, eight hundred ninety-one".