2354440 has 32 divisors (see below), whose sum is σ = 5780160. Its totient is φ = 856000.

The previous prime is 2354413. The next prime is 2354459. The reversal of 2354440 is 444532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (180630).

2^2354440 is an apocalyptic number.

2354440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2354440 is an abundant number, since it is smaller than the sum of its proper divisors (3425720).

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

2354440 is a wasteful number, since it uses less digits than its factorization.

2354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2354440 is about 1534.4184566148. The cubic root of 2354440 is about 133.0339672415.

Adding to 2354440 its reverse (444532), we get a palindrome (2798972).

The spelling of 2354440 in words is "two million, three hundred fifty-four thousand, four hundred forty".