1343737928 has 40 divisors (see below), whose sum is σ = 2729924430. Its totient is φ = 620081280.

The previous prime is 1343737903. The next prime is 1343737949. The reversal of 1343737928 is 8297373431.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 56220004 + 1287517924 = 7498^2 + 35882^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 225548 + ... + 231428.

Almost surely, 2^1343737928 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 1343737928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364962215).

1343737928 is an abundant number, since it is smaller than the sum of its proper divisors (1386186502).

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

1343737928 is an frugal number, since it uses more digits than its factorization.

1343737928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5896 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 1343737928 is about 36657.0310854548. The cubic root of 1343737928 is about 1103.4979360507.

The spelling of 1343737928 in words is "one billion, three hundred forty-three million, seven hundred thirty-seven thousand, nine hundred twenty-eight".