408245403 has 8 divisors (see below), whose sum is σ = 550443600. Its totient is φ = 269105408.

The previous prime is 408245389. The next prime is 408245413. The reversal of 408245403 is 304542804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 408245403 - 2¹² = 408241307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408245413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764238 + ... + 764771.

It is an arithmetic number, because the mean of its divisors is an integer number (68805450).

Almost surely, 2^408245403 is an apocalyptic number.

408245403 is a deficient number, since it is larger than the sum of its proper divisors (142198197).

408245403 is a wasteful number, since it uses less digits than its factorization.

408245403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529101.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 408245403 is about 20205.0835929971. The cubic root of 408245403 is about 741.8346266296.

The spelling of 408245403 in words is "four hundred eight million, two hundred forty-five thousand, four hundred three".