694280490 has 16 divisors (see below), whose sum is σ = 1666273248. Its totient is φ = 185141456.

The previous prime is 694280479. The next prime is 694280563. The reversal of 694280490 is 94082496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11571312 + ... + 11571371.

It is an arithmetic number, because the mean of its divisors is an integer number (104142078).

Almost surely, 2^694280490 is an apocalyptic number.

694280490 is an abundant number, since it is smaller than the sum of its proper divisors (971992758).

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

694280490 is a wasteful number, since it uses less digits than its factorization.

694280490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23142693.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 694280490 is about 26349.2028342415. The cubic root of 694280490 is about 885.4791111288.

The spelling of 694280490 in words is "six hundred ninety-four million, two hundred eighty thousand, four hundred ninety".