2409403 has 4 divisors (see below), whose sum is σ = 2474560. Its totient is φ = 2344248.

The previous prime is 2409401. The next prime is 2409431. The reversal of 2409403 is 3049042.

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 2409403 - 2¹ = 2409401 is a prime.

2409403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2409401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32523 + ... + 32596.

It is an arithmetic number, because the mean of its divisors is an integer number (618640).

2^2409403 is an apocalyptic number.

2409403 is a deficient number, since it is larger than the sum of its proper divisors (65157).

2409403 is an equidigital number, since it uses as much as digits as its factorization.

2409403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65156.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2409403 is about 1552.2251769637. The cubic root of 2409403 is about 134.0612143276.

The spelling of 2409403 in words is "two million, four hundred nine thousand, four hundred three".