1385604984 has 32 divisors (see below), whose sum is σ = 3468281040. Its totient is φ = 461299200.

The previous prime is 1385604967. The next prime is 1385605027. The reversal of 1385604984 is 4894065831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15457 + ... + 54864.

Almost surely, 2^1385604984 is an apocalyptic number.

It is an amenable number.

1385604984 is an abundant number, since it is smaller than the sum of its proper divisors (2082676056).

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

1385604984 is a wasteful number, since it uses less digits than its factorization.

1385604984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71151 (or 71147 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1385604984 is about 37223.7153438504. The cubic root of 1385604984 is about 1114.8415478616.

The spelling of 1385604984 in words is "one billion, three hundred eighty-five million, six hundred four thousand, nine hundred eighty-four".