388453345 has 32 divisors (see below), whose sum is σ = 544400640. Its totient is φ = 260582400.

The previous prime is 388453313. The next prime is 388453361. The reversal of 388453345 is 543354883.

It is not a de Polignac number, because 388453345 - 2⁵ = 388453313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646045 + ... + 646645.

It is an arithmetic number, because the mean of its divisors is an integer number (17012520).

Almost surely, 2^388453345 is an apocalyptic number.

388453345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388453345 is a deficient number, since it is larger than the sum of its proper divisors (155947295).

388453345 is a wasteful number, since it uses less digits than its factorization.

388453345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 691200, while the sum is 43.

The square root of 388453345 is about 19709.2197968362. The cubic root of 388453345 is about 729.6472587415.

The spelling of 388453345 in words is "three hundred eighty-eight million, four hundred fifty-three thousand, three hundred forty-five".