2440351 has 4 divisors (see below), whose sum is σ = 2519104. Its totient is φ = 2361600.

The previous prime is 2440331. The next prime is 2440363. The reversal of 2440351 is 1530442.

2440351 = T₁₂₇₄ + T₁₂₇₅ + T₁₂₇₆.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2440351 - 2⁷ = 2440223 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 (2440301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39330 + ... + 39391.

It is an arithmetic number, because the mean of its divisors is an integer number (629776).

2^2440351 is an apocalyptic number.

2440351 is the 1276-th centered triangular number.

2440351 is a deficient number, since it is larger than the sum of its proper divisors (78753).

2440351 is an equidigital number, since it uses as much as digits as its factorization.

2440351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78752.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2440351 is about 1562.1622835032. The cubic root of 2440351 is about 134.6327650777.

Adding to 2440351 its reverse (1530442), we get a palindrome (3970793).

Subtracting from 2440351 its reverse (1530442), we obtain a palindrome (909909).

It can be divided in two parts, 244035 and 1, that added together give a square (244036 = 494²).

The spelling of 2440351 in words is "two million, four hundred forty thousand, three hundred fifty-one".