403420597 has 4 divisors (see below), whose sum is σ = 424653280. Its totient is φ = 382187916.

The previous prime is 403420547. The next prime is 403420631. The reversal of 403420597 is 795024304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403420597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403420547) 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, 10616313 + ... + 10616350.

It is an arithmetic number, because the mean of its divisors is an integer number (106163320).

Almost surely, 2^403420597 is an apocalyptic number.

It is an amenable number.

403420597 is a deficient number, since it is larger than the sum of its proper divisors (21232683).

403420597 is a wasteful number, since it uses less digits than its factorization.

403420597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232682.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 403420597 is about 20085.3328824792. The cubic root of 403420597 is about 738.9006057258.

The spelling of 403420597 in words is "four hundred three million, four hundred twenty thousand, five hundred ninety-seven".