1901338 has 16 divisors (see below), whose sum is σ = 2954880. Its totient is φ = 917056.

The previous prime is 1901329. The next prime is 1901353. The reversal of 1901338 is 8331091.

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, 10533 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^1901338 is an apocalyptic number.

1901338 is a deficient number, since it is larger than the sum of its proper divisors (1053542).

1901338 is a wasteful number, since it uses less digits than its factorization.

1901338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1901338 is about 1378.8901334044. The cubic root of 1901338 is about 123.8852997620.

The spelling of 1901338 in words is "one million, nine hundred one thousand, three hundred thirty-eight".