378924705 has 24 divisors (see below), whose sum is σ = 661826880. Its totient is φ = 200547360.

The previous prime is 378924691. The next prime is 378924737. The reversal of 378924705 is 507429873.

It is not a de Polignac number, because 378924705 - 2⁶ = 378924641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26245 + ... + 38034.

It is an arithmetic number, because the mean of its divisors is an integer number (27576120).

Almost surely, 2^378924705 is an apocalyptic number.

It is an amenable number.

378924705 is a deficient number, since it is larger than the sum of its proper divisors (282902175).

378924705 is a wasteful number, since it uses less digits than its factorization.

378924705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64421 (or 64418 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 378924705 is about 19465.9884156957. The cubic root of 378924705 is about 723.6317945248.

The spelling of 378924705 in words is "three hundred seventy-eight million, nine hundred twenty-four thousand, seven hundred five".