1349333988 has 48 divisors (see below), whose sum is σ = 3207046080. Its totient is φ = 441477504.

The previous prime is 1349333987. The next prime is 1349334029. The reversal of 1349333988 is 8893339431.

It is a super-3 number, since 3×1349333988³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1349333988.

It is not an unprimeable number, because it can be changed into a prime (1349333987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152058 + ... + 160686.

It is an arithmetic number, because the mean of its divisors is an integer number (66813460).

Almost surely, 2^1349333988 is an apocalyptic number.

It is an amenable number.

1349333988 is an abundant number, since it is smaller than the sum of its proper divisors (1857712092).

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

1349333988 is a wasteful number, since it uses less digits than its factorization.

1349333988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876 (or 8874 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 1349333988 is about 36733.2817483001. The cubic root of 1349333988 is about 1105.0276708672.

The spelling of 1349333988 in words is "one billion, three hundred forty-nine million, three hundred thirty-three thousand, nine hundred eighty-eight".