1901652 has 24 divisors (see below), whose sum is σ = 4558176. Its totient is φ = 616608.

The previous prime is 1901651. The next prime is 1901681. The reversal of 1901652 is 2561091.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901651) 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, 1698 + ... + 2585.

It is an arithmetic number, because the mean of its divisors is an integer number (189924).

2^1901652 is an apocalyptic number.

1901652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1901652 is an abundant number, since it is smaller than the sum of its proper divisors (2656524).

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

1901652 is a wasteful number, since it uses less digits than its factorization.

1901652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4325 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1901652 is about 1379.0039883916. The cubic root of 1901652 is about 123.8921191427.

The spelling of 1901652 in words is "one million, nine hundred one thousand, six hundred fifty-two".