1240893 has 8 divisors (see below), whose sum is σ = 1838400. Its totient is φ = 827244.

The previous prime is 1240861. The next prime is 1240931. The reversal of 1240893 is 3980421.

It is not a de Polignac number, because 1240893 - 2⁵ = 1240861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45959 = 1240893 / (1 + 2 + 4 + 0 + 8 + 9 + 3).

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 4¹⁰ + 0 + 8 + 9⁵ + 3⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240193) 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, 22953 + ... + 23006.

It is an arithmetic number, because the mean of its divisors is an integer number (229800).

2^1240893 is an apocalyptic number.

It is an amenable number.

1240893 is a deficient number, since it is larger than the sum of its proper divisors (597507).

1240893 is an equidigital number, since it uses as much as digits as its factorization.

1240893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45968 (or 45962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1240893 is about 1113.9537692382. The cubic root of 1240893 is about 107.4594907761.

The spelling of 1240893 in words is "one million, two hundred forty thousand, eight hundred ninety-three".