388964043 has 24 divisors (see below), whose sum is σ = 609842688. Its totient is φ = 237468672.

The previous prime is 388964041. The next prime is 388964101. The reversal of 388964043 is 340469883.

It is not a de Polignac number, because 388964043 - 2¹ = 388964041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388964043.

It is not an unprimeable number, because it can be changed into a prime (388964041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771 + ... + 27947.

It is an arithmetic number, because the mean of its divisors is an integer number (25410112).

Almost surely, 2^388964043 is an apocalyptic number.

388964043 is a deficient number, since it is larger than the sum of its proper divisors (220878645).

388964043 is a wasteful number, since it uses less digits than its factorization.

388964043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26323 (or 26320 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 388964043 is about 19722.1713561159. The cubic root of 388964043 is about 729.9668734577.

The spelling of 388964043 in words is "three hundred eighty-eight million, nine hundred sixty-four thousand, forty-three".