1698440474 has 16 divisors (see below), whose sum is σ = 2661821568. Its totient is φ = 811260912.

The previous prime is 1698440473. The next prime is 1698440501. The reversal of 1698440474 is 4740448961.

It is not an unprimeable number, because it can be changed into a prime (1698440473) 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, 13499 + ... + 59825.

It is an arithmetic number, because the mean of its divisors is an integer number (166363848).

Almost surely, 2^1698440474 is an apocalyptic number.

1698440474 is a deficient number, since it is larger than the sum of its proper divisors (963381094).

1698440474 is a wasteful number, since it uses less digits than its factorization.

1698440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47149.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 1698440474 is about 41212.1398862034. The cubic root of 1698440474 is about 1193.1181257480.

The spelling of 1698440474 in words is "one billion, six hundred ninety-eight million, four hundred forty thousand, four hundred seventy-four".