1873201 has 12 divisors (see below), whose sum is σ = 2092356. Its totient is φ = 1675520.

The previous prime is 1873181. The next prime is 1873211. The reversal of 1873201 is 1023781.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 1437601 = 660^2 + 1199^2 .

It is not a de Polignac number, because 1873201 - 2¹¹ = 1871153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13605 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (174363).

2^1873201 is an apocalyptic number.

1873201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1873201 is a deficient number, since it is larger than the sum of its proper divisors (219155).

1873201 is a wasteful number, since it uses less digits than its factorization.

1873201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1873201 is about 1368.6493341978. The cubic root of 1873201 is about 123.2711536255.

Adding to 1873201 its reverse (1023781), we get a palindrome (2896982).

The spelling of 1873201 in words is "one million, eight hundred seventy-three thousand, two hundred one".