390414442 has 16 divisors (see below), whose sum is σ = 639914400. Its totient is φ = 177168240.

The previous prime is 390414433. The next prime is 390414449. The reversal of 390414442 is 244414093.

It is not an unprimeable number, because it can be changed into a prime (390414449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717 + ... + 27952.

It is an arithmetic number, because the mean of its divisors is an integer number (39994650).

Almost surely, 2^390414442 is an apocalyptic number.

390414442 is a deficient number, since it is larger than the sum of its proper divisors (249499958).

390414442 is a wasteful number, since it uses less digits than its factorization.

390414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29301.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 390414442 is about 19758.9079151658. The cubic root of 390414442 is about 730.8730668770.

The spelling of 390414442 in words is "three hundred ninety million, four hundred fourteen thousand, four hundred forty-two".