390093416 has 8 divisors (see below), whose sum is σ = 731425170. Its totient is φ = 195046704.

The previous prime is 390093397. The next prime is 390093421. The reversal of 390093416 is 614390093.

It can be written as a sum of positive squares in only one way, i.e., 384552100 + 5541316 = 19610^2 + 2354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24380831 + ... + 24380846.

Almost surely, 2^390093416 is an apocalyptic number.

It is an amenable number.

390093416 is a deficient number, since it is larger than the sum of its proper divisors (341331754).

390093416 is a wasteful number, since it uses less digits than its factorization.

390093416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48761683 (or 48761679 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 390093416 is about 19750.7826680362. The cubic root of 390093416 is about 730.6726869979.

The spelling of 390093416 in words is "three hundred ninety million, ninety-three thousand, four hundred sixteen".