2453430 has 48 divisors (see below), whose sum is σ = 6853680. Its totient is φ = 560448.

The previous prime is 2453419. The next prime is 2453431. The reversal of 2453430 is 343542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2453397 and 2453406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (142785).

2^2453430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2453430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3426840).

2453430 is an abundant number, since it is smaller than the sum of its proper divisors (4400250).

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

2453430 is a wasteful number, since it uses less digits than its factorization.

2453430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2453430 is about 1566.3428743414. The cubic root of 2453430 is about 134.8728569747.

Adding to 2453430 its reverse (343542), we get a palindrome (2796972).

The spelling of 2453430 in words is "two million, four hundred fifty-three thousand, four hundred thirty".