1355474384 has 40 divisors (see below), whose sum is σ = 2963783520. Its totient is φ = 594876800.

The previous prime is 1355474377. The next prime is 1355474389. The reversal of 1355474384 is 4834745531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355474389) 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, 127682 + ... + 137889.

It is an arithmetic number, because the mean of its divisors is an integer number (74094588).

Almost surely, 2^1355474384 is an apocalyptic number.

It is an amenable number.

1355474384 is an abundant number, since it is smaller than the sum of its proper divisors (1608309136).

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

1355474384 is a wasteful number, since it uses less digits than its factorization.

1355474384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265619 (or 265613 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 1355474384 is about 36816.7677016872. The cubic root of 1355474384 is about 1106.7013461496.

It can be divided in two parts, 135547 and 4384, that added together give a palindrome (139931).

The spelling of 1355474384 in words is "one billion, three hundred fifty-five million, four hundred seventy-four thousand, three hundred eighty-four".