2400745 has 16 divisors (see below), whose sum is σ = 3119040. Its totient is φ = 1767744.

The previous prime is 2400719. The next prime is 2400767. The reversal of 2400745 is 5470042.

2400745 = T₁₅₀ + T₁₅₁ + ... + T₂₆₀.

2400745 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 2400745 - 2¹⁵ = 2367977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^2400745 is an apocalyptic number.

It is an amenable number.

2400745 is a deficient number, since it is larger than the sum of its proper divisors (718295).

2400745 is a wasteful number, since it uses less digits than its factorization.

2400745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2400745 is about 1549.4337675422. The cubic root of 2400745 is about 133.9004421262.

Adding to 2400745 its reverse (5470042), we get a palindrome (7870787).

The spelling of 2400745 in words is "two million, four hundred thousand, seven hundred forty-five".