1384695290 has 48 divisors (see below), whose sum is σ = 2809792800. Its totient is φ = 487245600.

The previous prime is 1384695253. The next prime is 1384695311. The reversal of 1384695290 is 925964831.

It is a super-2 number, since 2×1384695290² = 3834762092296368200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99161 + ... + 112259.

It is an arithmetic number, because the mean of its divisors is an integer number (58537350).

Almost surely, 2^1384695290 is an apocalyptic number.

1384695290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1384695290 is an abundant number, since it is smaller than the sum of its proper divisors (1425097510).

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

1384695290 is a wasteful number, since it uses less digits than its factorization.

1384695290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179 (or 13148 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1384695290 is about 37211.4940576161. The cubic root of 1384695290 is about 1114.5975180687.

The spelling of 1384695290 in words is "one billion, three hundred eighty-four million, six hundred ninety-five thousand, two hundred ninety".