1901372 has 24 divisors (see below), whose sum is σ = 3682560. Its totient is φ = 851760.

The previous prime is 1901371. The next prime is 1901377. The reversal of 1901372 is 2731091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901371) 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, 3203 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (153440).

2^1901372 is an apocalyptic number.

It is an amenable number.

1901372 is a deficient number, since it is larger than the sum of its proper divisors (1781188).

1901372 is a wasteful number, since it uses less digits than its factorization.

1901372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1901372 is about 1378.9024621053. The cubic root of 1901372 is about 123.8860382026.

The spelling of 1901372 in words is "one million, nine hundred one thousand, three hundred seventy-two".