1873936 has 20 divisors (see below), whose sum is σ = 3657132. Its totient is φ = 930176.

The previous prime is 1873889. The next prime is 1873967. The reversal of 1873936 is 6393781.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 67600 = 1344^2 + 260^2 .

It is a super-2 number, since 2×1873936² = 7023272264192, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1873895 and 1873904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430 + ... + 3106.

2^1873936 is an apocalyptic number.

1873936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1873936 is a deficient number, since it is larger than the sum of its proper divisors (1783196).

1873936 is a wasteful number, since it uses less digits than its factorization.

1873936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 852 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 1873936 is about 1368.9178207621. The cubic root of 1873936 is about 123.2872744173.

It can be divided in two parts, 1873 and 936, that multiplied together give a triangular number (1753128 = T₁₈₇₂).

The spelling of 1873936 in words is "one million, eight hundred seventy-three thousand, nine hundred thirty-six".