1901330 has 16 divisors (see below), whose sum is σ = 3602880. Its totient is φ = 720432.

The previous prime is 1901329. The next prime is 1901353. The reversal of 1901330 is 331091.

It is a junction number, because it is equal to n+sod(n) for n = 1901299 and 1901308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (225180).

2^1901330 is an apocalyptic number.

1901330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1901330 is a deficient number, since it is larger than the sum of its proper divisors (1701550).

1901330 is a wasteful number, since it uses less digits than its factorization.

1901330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1901330 is about 1378.8872325176. The cubic root of 1901330 is about 123.8851260100.

The spelling of 1901330 in words is "one million, nine hundred one thousand, three hundred thirty".