1384155830 has 16 divisors (see below), whose sum is σ = 2500289424. Its totient is φ = 551704800.

The previous prime is 1384155823. The next prime is 1384155841. The reversal of 1384155830 is 385514831.

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, 241721 + ... + 247380.

It is an arithmetic number, because the mean of its divisors is an integer number (156268089).

Almost surely, 2^1384155830 is an apocalyptic number.

1384155830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1384155830 is a deficient number, since it is larger than the sum of its proper divisors (1116133594).

1384155830 is a wasteful number, since it uses less digits than its factorization.

1384155830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489391.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1384155830 is about 37204.2447847017. The cubic root of 1384155830 is about 1114.4527548412.

The spelling of 1384155830 in words is "one billion, three hundred eighty-four million, one hundred fifty-five thousand, eight hundred thirty".