1930117 has 8 divisors (see below), whose sum is σ = 2228096. Its totient is φ = 1637712.

The previous prime is 1930099. The next prime is 1930133. The reversal of 1930117 is 7110391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (278512).

2^1930117 is an apocalyptic number.

It is an amenable number.

1930117 is a deficient number, since it is larger than the sum of its proper divisors (297979).

1930117 is a wasteful number, since it uses less digits than its factorization.

1930117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1930117 is about 1389.2865075282. The cubic root of 1930117 is about 124.5072225828.

The spelling of 1930117 in words is "one million, nine hundred thirty thousand, one hundred seventeen".