38876440 has 32 divisors (see below), whose sum is σ = 91277280. Its totient is φ = 14874112.

The previous prime is 38876437. The next prime is 38876471. The reversal of 38876440 is 4467883.

It is a super-2 number, since 2×38876440² = 3022755174147200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 38876393 and 38876402.

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, 20209 + ... + 22048.

It is an arithmetic number, because the mean of its divisors is an integer number (2852415).

Almost surely, 2^38876440 is an apocalyptic number.

It is an amenable number.

38876440 is an abundant number, since it is smaller than the sum of its proper divisors (52400840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38876440 is a wasteful number, since it uses less digits than its factorization.

38876440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291 (or 42287 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 38876440 is about 6235.0974330799. The cubic root of 38876440 is about 338.7626303030.

The spelling of 38876440 in words is "thirty-eight million, eight hundred seventy-six thousand, four hundred forty".