1345884 has 24 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 424944.

The previous prime is 1345879. The next prime is 1345889. The reversal of 1345884 is 4885431.

It is an interprime number because it is at equal distance from previous prime (1345879) and next prime (1345889).

It is a super-2 number, since 2×1345884² = 3622807482912, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2^1345884 is an apocalyptic number.

It is an amenable number.

1345884 is an abundant number, since it is smaller than the sum of its proper divisors (1960356).

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

1345884 is a wasteful number, since it uses less digits than its factorization.

1345884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929 (or 5927 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 1345884 is about 1160.1224073347. The cubic root of 1345884 is about 110.4085085860.

The spelling of 1345884 in words is "one million, three hundred forty-five thousand, eight hundred eighty-four".