1934013 has 4 divisors (see below), whose sum is σ = 2578688. Its totient is φ = 1289340.

The previous prime is 1933993. The next prime is 1934021. The reversal of 1934013 is 3104391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1934013 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322333 + ... + 322338.

It is an arithmetic number, because the mean of its divisors is an integer number (644672).

2^1934013 is an apocalyptic number.

It is an amenable number.

1934013 is a deficient number, since it is larger than the sum of its proper divisors (644675).

1934013 is an equidigital number, since it uses as much as digits as its factorization.

1934013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644674.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1934013 is about 1390.6879592489. The cubic root of 1934013 is about 124.5909401539.

The spelling of 1934013 in words is "one million, nine hundred thirty-four thousand, thirteen".