1649383704 has 48 divisors (see below), whose sum is σ = 4542805800. Its totient is φ = 540474624.

The previous prime is 1649383699. The next prime is 1649383717. The reversal of 1649383704 is 4073839461.

1649383704 is a `hidden beast` number, since 16 + 493 + 83 + 70 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1649383704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189889 + ... + 198384.

Almost surely, 2^1649383704 is an apocalyptic number.

It is an amenable number.

1649383704 is an abundant number, since it is smaller than the sum of its proper divisors (2893422096).

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

1649383704 is a wasteful number, since it uses less digits than its factorization.

1649383704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388344 (or 388337 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1649383704 is about 40612.6052353207. The cubic root of 1649383704 is about 1181.5186097473.

The spelling of 1649383704 in words is "one billion, six hundred forty-nine million, three hundred eighty-three thousand, seven hundred four".