1684894436 has 12 divisors (see below), whose sum is σ = 2948964480. Its totient is φ = 842333160.

The previous prime is 1684894427. The next prime is 1684894451. The reversal of 1684894436 is 6344984861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10721 + ... + 59031.

It is an arithmetic number, because the mean of its divisors is an integer number (245747040).

Almost surely, 2^1684894436 is an apocalyptic number.

It is an amenable number.

1684894436 is a deficient number, since it is larger than the sum of its proper divisors (1264070044).

1684894436 is a wasteful number, since it uses less digits than its factorization.

1684894436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57034 (or 57032 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 1684894436 is about 41047.4656464927. The cubic root of 1684894436 is about 1189.9377214777.

The spelling of 1684894436 in words is "one billion, six hundred eighty-four million, eight hundred ninety-four thousand, four hundred thirty-six".