38420057 has 8 divisors (see below), whose sum is σ = 42054600. Its totient is φ = 34882560.

The previous prime is 38420003. The next prime is 38420059. The reversal of 38420057 is 75002483.

It is a happy number.

38420057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2468041 + 35952016 = 1571^2 + 5996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38420057 - 2¹⁰ = 38419033 is a prime.

It is a super-2 number, since 2×38420057² = 2952201559766498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38420059) 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 7 ways as a sum of consecutive naturals, for example, 23432 + ... + 25017.

It is an arithmetic number, because the mean of its divisors is an integer number (5256825).

Almost surely, 2^38420057 is an apocalyptic number.

It is an amenable number.

38420057 is a deficient number, since it is larger than the sum of its proper divisors (3634543).

38420057 is a wasteful number, since it uses less digits than its factorization.

38420057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48523.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 38420057 is about 6198.3914848935. The cubic root of 38420057 is about 337.4317945392.

The spelling of 38420057 in words is "thirty-eight million, four hundred twenty thousand, fifty-seven".