1940613 has 8 divisors (see below), whose sum is σ = 2657568. Its totient is φ = 1258704.

The previous prime is 1940599. The next prime is 1940621. The reversal of 1940613 is 3160491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1940613 - 2⁴ = 1940597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940663) 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 7 ways as a sum of consecutive naturals, for example, 8631 + ... + 8852.

It is an arithmetic number, because the mean of its divisors is an integer number (332196).

2^1940613 is an apocalyptic number.

It is an amenable number.

1940613 is a deficient number, since it is larger than the sum of its proper divisors (716955).

1940613 is a wasteful number, since it uses less digits than its factorization.

1940613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17523.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1940613 is about 1393.0588645136. The cubic root of 1940613 is about 124.7325053144.

The spelling of 1940613 in words is "one million, nine hundred forty thousand, six hundred thirteen".