1901572 has 12 divisors (see below), whose sum is σ = 3338496. Its totient is φ = 947720.

The previous prime is 1901567. The next prime is 1901597. The reversal of 1901572 is 2751091.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (278208).

2^1901572 is an apocalyptic number.

It is an amenable number.

1901572 is a deficient number, since it is larger than the sum of its proper divisors (1436924).

1901572 is a wasteful number, since it uses less digits than its factorization.

1901572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1901572 is about 1378.9749816440. The cubic root of 1901572 is about 123.8903817922.

The spelling of 1901572 in words is "one million, nine hundred one thousand, five hundred seventy-two".