406598403 has 8 divisors (see below), whose sum is σ = 542703888. Its totient is φ = 270779264.

The previous prime is 406598399. The next prime is 406598417. The reversal of 406598403 is 304895604.

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 406598403 - 2² = 406598399 is a prime.

It is a super-2 number, since 2×406598403² = 330644522644300818, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (406598453) 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, 68250 + ... + 73967.

It is an arithmetic number, because the mean of its divisors is an integer number (67837986).

Almost surely, 2^406598403 is an apocalyptic number.

406598403 is a deficient number, since it is larger than the sum of its proper divisors (136105485).

406598403 is a wasteful number, since it uses less digits than its factorization.

406598403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143173.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 406598403 is about 20164.2853332321. The cubic root of 406598403 is about 740.8356781481.

The spelling of 406598403 in words is "four hundred six million, five hundred ninety-eight thousand, four hundred three".