1901552 has 20 divisors (see below), whose sum is σ = 3901536. Its totient is φ = 894720.

The previous prime is 1901551. The next prime is 1901563. The reversal of 1901552 is 2551091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224 + ... + 3767.

2^1901552 is an apocalyptic number.

It is an amenable number.

1901552 is an abundant number, since it is smaller than the sum of its proper divisors (1999984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1901552 is a wasteful number, since it uses less digits than its factorization.

1901552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1901552 is about 1378.9677298617. The cubic root of 1901552 is about 123.8899474469.

The spelling of 1901552 in words is "one million, nine hundred one thousand, five hundred fifty-two".