1872256 has 16 divisors (see below), whose sum is σ = 3730140. Its totient is φ = 936064.

The previous prime is 1872253. The next prime is 1872259. The reversal of 1872256 is 6522781.

1872256 = T₁₀₃ + T₁₀₄ + ... + T₂₃₀.

It is an interprime number because it is at equal distance from previous prime (1872253) and next prime (1872259).

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872253) by changing a digit.

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 as a sum of consecutive naturals, namely, 7186 + ... + 7441.

2^1872256 is an apocalyptic number.

1872256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1872256 is a deficient number, since it is larger than the sum of its proper divisors (1857884).

1872256 is an equidigital number, since it uses as much as digits as its factorization.

1872256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14641 (or 14629 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1872256 is about 1368.3040597762. The cubic root of 1872256 is about 123.2504206956.

The spelling of 1872256 in words is "one million, eight hundred seventy-two thousand, two hundred fifty-six".