630450394 has 16 divisors (see below), whose sum is σ = 1081706688. Its totient is φ = 269959392.

The previous prime is 630450377. The next prime is 630450409. The reversal of 630450394 is 493054036.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172 + ... + 35575.

It is an arithmetic number, because the mean of its divisors is an integer number (67606668).

Almost surely, 2^630450394 is an apocalyptic number.

630450394 is a deficient number, since it is larger than the sum of its proper divisors (451256294).

630450394 is a wasteful number, since it uses less digits than its factorization.

630450394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38949.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 630450394 is about 25108.7712562762. The cubic root of 630450394 is about 857.4661282509.

The spelling of 630450394 in words is "six hundred thirty million, four hundred fifty thousand, three hundred ninety-four".