1930001 has 8 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 1813968.

The previous prime is 1929973. The next prime is 1930021. The reversal of 1930001 is 1000391.

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

It is a de Polignac number, because none of the positive numbers 2^k-1930001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930021) 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, 2660 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

2^1930001 is an apocalyptic number.

It is an amenable number.

1930001 is a deficient number, since it is larger than the sum of its proper divisors (117679).

1930001 is a wasteful number, since it uses less digits than its factorization.

1930001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1930001 is about 1389.2447588528. The cubic root of 1930001 is about 124.5047282388.

Adding to 1930001 its reverse (1000391), we get a palindrome (2930392).

The spelling of 1930001 in words is "one million, nine hundred thirty thousand, one".