1930313 has 24 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 1441440.

The previous prime is 1930309. The next prime is 1930349. The reversal of 1930313 is 3130391.

It is not a de Polignac number, because 1930313 - 2² = 1930309 is a prime.

It is a super-2 number, since 2×1930313² = 7452216555938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1930373) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 36395 + ... + 36447.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2^1930313 is an apocalyptic number.

It is an amenable number.

1930313 is a deficient number, since it is larger than the sum of its proper divisors (597751).

1930313 is a wasteful number, since it uses less digits than its factorization.

1930313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1930313 is about 1389.3570455430. The cubic root of 1930313 is about 124.5114369369.

The spelling of 1930313 in words is "one million, nine hundred thirty thousand, three hundred thirteen".