2140450 has 48 divisors (see below), whose sum is σ = 4452840. Its totient is φ = 760320.

The previous prime is 2140447. The next prime is 2140459. The reversal of 2140450 is 540412.

It can be written as a sum of positive squares in 12 ways, for example, as 29241 + 2111209 = 171^2 + 1453^2 .

It is not an unprimeable number, because it can be changed into a prime (2140459) 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 in 23 ways as a sum of consecutive naturals, for example, 24006 + ... + 24094.

2^2140450 is an apocalyptic number.

2140450 is an abundant number, since it is smaller than the sum of its proper divisors (2312390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140450 is a wasteful number, since it uses less digits than its factorization.

2140450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2140450 is about 1463.0276825816. The cubic root of 2140450 is about 128.8749062759.

Adding to 2140450 its reverse (540412), we get a palindrome (2680862).

It can be divided in two parts, 2 and 140450, that multiplied together give a square (280900 = 530²).

The spelling of 2140450 in words is "two million, one hundred forty thousand, four hundred fifty".