1683306444 has 48 divisors (see below), whose sum is σ = 4140218880. Its totient is φ = 530827200.

The previous prime is 1683306439. The next prime is 1683306461. The reversal of 1683306444 is 4446033861.

It is a happy number.

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, 171469 + ... + 181019.

It is an arithmetic number, because the mean of its divisors is an integer number (86254560).

Almost surely, 2^1683306444 is an apocalyptic number.

It is an amenable number.

1683306444 is an abundant number, since it is smaller than the sum of its proper divisors (2456912436).

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

1683306444 is a wasteful number, since it uses less digits than its factorization.

1683306444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10348 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1683306444 is about 41028.1177243119. The cubic root of 1683306444 is about 1189.5637701491.

The spelling of 1683306444 in words is "one billion, six hundred eighty-three million, three hundred six thousand, four hundred forty-four".