38455870 has 32 divisors (see below), whose sum is σ = 74867328. Its totient is φ = 14166528.

The previous prime is 38455849. The next prime is 38455871. The reversal of 38455870 is 7855483.

38455870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38455871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (2339604).

Almost surely, 2^38455870 is an apocalyptic number.

38455870 is a deficient number, since it is larger than the sum of its proper divisors (36411458).

38455870 is a wasteful number, since it uses less digits than its factorization.

38455870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 38455870 is about 6201.2797066412. The cubic root of 38455870 is about 337.5366069118.

The spelling of 38455870 in words is "thirty-eight million, four hundred fifty-five thousand, eight hundred seventy".