1694448490 has 32 divisors (see below), whose sum is σ = 3487745664. Its totient is φ = 580616640.

The previous prime is 1694448487. The next prime is 1694448517. The reversal of 1694448490 is 948444961.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134752 + ... + 146788.

It is an arithmetic number, because the mean of its divisors is an integer number (108992052).

Almost surely, 2^1694448490 is an apocalyptic number.

1694448490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1694448490 is an abundant number, since it is smaller than the sum of its proper divisors (1793297174).

1694448490 is a wasteful number, since it uses less digits than its factorization.

1694448490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1694448490 is about 41163.6792573259. The cubic root of 1694448490 is about 1192.1826313002.

The spelling of 1694448490 in words is "one billion, six hundred ninety-four million, four hundred forty-eight thousand, four hundred ninety".