1384991004 has 24 divisors (see below), whose sum is σ = 3249505168. Its totient is φ = 459112320.

The previous prime is 1384990991. The next prime is 1384991017. The reversal of 1384991004 is 4001994831.

It is an interprime number because it is at equal distance from previous prime (1384990991) and next prime (1384991017).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316657 + ... + 321000.

Almost surely, 2^1384991004 is an apocalyptic number.

It is an amenable number.

1384991004 is an abundant number, since it is smaller than the sum of its proper divisors (1864514164).

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

1384991004 is a wasteful number, since it uses less digits than its factorization.

1384991004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637845 (or 637843 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1384991004 is about 37215.4672683281. The cubic root of 1384991004 is about 1114.6768564937.

The spelling of 1384991004 in words is "one billion, three hundred eighty-four million, nine hundred ninety-one thousand, four".