1863720232 has 64 divisors (see below), whose sum is σ = 3861950400. Its totient is φ = 836160000.

The previous prime is 1863720223. The next prime is 1863720283. The reversal of 1863720232 is 2320273681.

It is a super-2 number, since 2×1863720232² = 6946906206332267648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100732 + ... + 3101332.

It is an arithmetic number, because the mean of its divisors is an integer number (60342975).

Almost surely, 2^1863720232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1863720232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930975200).

1863720232 is an abundant number, since it is smaller than the sum of its proper divisors (1998230168).

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

1863720232 is a wasteful number, since it uses less digits than its factorization.

1863720232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1863720232 is about 43170.8261676795. The cubic root of 1863720232 is about 1230.6283241836.

The spelling of 1863720232 in words is "one billion, eight hundred sixty-three million, seven hundred twenty thousand, two hundred thirty-two".