1233887960 has 64 divisors (see below), whose sum is σ = 2819577600. Its totient is φ = 485896576.

The previous prime is 1233887959. The next prime is 1233887981. The reversal of 1233887960 is 697883321.

It is a congruent number.

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, 1390637 + ... + 1391523.

It is an arithmetic number, because the mean of its divisors is an integer number (44055900).

Almost surely, 2^1233887960 is an apocalyptic number.

1233887960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233887960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409788800).

1233887960 is an abundant number, since it is smaller than the sum of its proper divisors (1585689640).

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

1233887960 is a wasteful number, since it uses less digits than its factorization.

1233887960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1233887960 is about 35126.7413803216. The cubic root of 1233887960 is about 1072.5690039153.

The spelling of 1233887960 in words is "one billion, two hundred thirty-three million, eight hundred eighty-seven thousand, nine hundred sixty".