388041956 has 6 divisors (see below), whose sum is σ = 679073430. Its totient is φ = 194020976.

The previous prime is 388041943. The next prime is 388041961. The reversal of 388041956 is 659140883.

It can be written as a sum of positive squares in only one way, i.e., 375196900 + 12845056 = 19370^2 + 3584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48505241 + ... + 48505248.

It is an arithmetic number, because the mean of its divisors is an integer number (113178905).

Almost surely, 2^388041956 is an apocalyptic number.

It is an amenable number.

388041956 is a deficient number, since it is larger than the sum of its proper divisors (291031474).

388041956 is a wasteful number, since it uses less digits than its factorization.

388041956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97010493 (or 97010491 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 388041956 is about 19698.7805713958. The cubic root of 388041956 is about 729.3895916915.

The spelling of 388041956 in words is "three hundred eighty-eight million, forty-one thousand, nine hundred fifty-six".