1393304930 has 16 divisors (see below), whose sum is σ = 2575731960. Its totient is φ = 542259072.

The previous prime is 1393304897. The next prime is 1393304947. The reversal of 1393304930 is 394033931.

1393304930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 37327²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1246725481 + 146579449 = 35309^2 + 12107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882475 + ... + 1883214.

Almost surely, 2^1393304930 is an apocalyptic number.

1393304930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1393304930 is a deficient number, since it is larger than the sum of its proper divisors (1182427030).

1393304930 is a wasteful number, since it uses less digits than its factorization.

1393304930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765733.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 1393304930 is about 37327.0000133951. Note that the first 4 decimals coincide. The cubic root of 1393304930 is about 1116.9028297812.

The spelling of 1393304930 in words is "one billion, three hundred ninety-three million, three hundred four thousand, nine hundred thirty".