388451345 has 16 divisors (see below), whose sum is σ = 479930880. Its totient is φ = 301610304.

The previous prime is 388451321. The next prime is 388451417. The reversal of 388451345 is 543154883.

It is a cyclic number.

It is not a de Polignac number, because 388451345 - 2²⁶ = 321342481 is a prime.

It is an unprimeable number.

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, 78824 + ... + 83606.

It is an arithmetic number, because the mean of its divisors is an integer number (29995680).

Almost surely, 2^388451345 is an apocalyptic number.

It is an amenable number.

388451345 is a deficient number, since it is larger than the sum of its proper divisors (91479535).

388451345 is a wasteful number, since it uses less digits than its factorization.

388451345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264.

The product of its digits is 230400, while the sum is 41.

The square root of 388451345 is about 19709.1690590953. The cubic root of 388451345 is about 729.6460065131.

The spelling of 388451345 in words is "three hundred eighty-eight million, four hundred fifty-one thousand, three hundred forty-five".