38849878 has 16 divisors (see below), whose sum is σ = 60074784. Its totient is φ = 18831040.

The previous prime is 38849869. The next prime is 38849887. The reversal of 38849878 is 87894883.

It is an interprime number because it is at equal distance from previous prime (38849869) and next prime (38849887).

It is a super-2 number, since 2×38849878² = 3018626041229768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12276 + ... + 15112.

It is an arithmetic number, because the mean of its divisors is an integer number (3754674).

Almost surely, 2^38849878 is an apocalyptic number.

38849878 is a deficient number, since it is larger than the sum of its proper divisors (21224906).

38849878 is a wasteful number, since it uses less digits than its factorization.

38849878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 3096576, while the sum is 55.

The square root of 38849878 is about 6232.9670302353. The cubic root of 38849878 is about 338.6854604877.

The spelling of 38849878 in words is "thirty-eight million, eight hundred forty-nine thousand, eight hundred seventy-eight".