1809952 has 24 divisors (see below), whose sum is σ = 3595536. Its totient is φ = 896832.

The previous prime is 1809949. The next prime is 1809953. The reversal of 1809952 is 2599081.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1809953) 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, 5043 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (149814).

2^1809952 is an apocalyptic number.

It is an amenable number.

1809952 is a deficient number, since it is larger than the sum of its proper divisors (1785584).

1809952 is a wasteful number, since it uses less digits than its factorization.

1809952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1809952 is about 1345.3445655296. The cubic root of 1809952 is about 121.8678134706.

The spelling of 1809952 in words is "one million, eight hundred nine thousand, nine hundred fifty-two".