388010942 has 24 divisors (see below), whose sum is σ = 660386496. Its totient is φ = 170676000.

The previous prime is 388010929. The next prime is 388010947. The reversal of 388010942 is 249010883.

It is a happy number.

It is a super-2 number, since 2×388010942² = 301104982223454728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388010947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18359 + ... + 33362.

It is an arithmetic number, because the mean of its divisors is an integer number (27516104).

Almost surely, 2^388010942 is an apocalyptic number.

388010942 is a deficient number, since it is larger than the sum of its proper divisors (272375554).

388010942 is a wasteful number, since it uses less digits than its factorization.

388010942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51776 (or 51765 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 388010942 is about 19697.9933495775. The cubic root of 388010942 is about 729.3701591781.

The spelling of 388010942 in words is "three hundred eighty-eight million, ten thousand, nine hundred forty-two".