1839397472 has 36 divisors (see below), whose sum is σ = 3980460708. Its totient is φ = 836088000.

The previous prime is 1839397459. The next prime is 1839397481. The reversal of 1839397472 is 2747939381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233654 + ... + 241397.

It is an arithmetic number, because the mean of its divisors is an integer number (110568353).

Almost surely, 2^1839397472 is an apocalyptic number.

It is an amenable number.

1839397472 is an abundant number, since it is smaller than the sum of its proper divisors (2141063236).

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

1839397472 is a wasteful number, since it uses less digits than its factorization.

1839397472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475083 (or 475064 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 1839397472 is about 42888.1973507864. The cubic root of 1839397472 is about 1225.2513652159.

The spelling of 1839397472 in words is "one billion, eight hundred thirty-nine million, three hundred ninety-seven thousand, four hundred seventy-two".