390341448 has 72 divisors (see below), whose sum is σ = 1229785830. Its totient is φ = 111525120.

The previous prime is 390341431. The next prime is 390341459. The reversal of 390341448 is 844143093.

It can be written as a sum of positive squares in only one way, i.e., 339959844 + 50381604 = 18438^2 + 7098^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51793 + ... + 58848.

Almost surely, 2^390341448 is an apocalyptic number.

It is an amenable number.

390341448 is an abundant number, since it is smaller than the sum of its proper divisors (839444382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390341448 is a wasteful number, since it uses less digits than its factorization.

390341448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110667 (or 110653 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 390341448 is about 19757.0607125655. The cubic root of 390341448 is about 730.8275147081.

The spelling of 390341448 in words is "three hundred ninety million, three hundred forty-one thousand, four hundred forty-eight".