426404199 has 16 divisors (see below), whose sum is σ = 638894592. Its totient is φ = 250993248.

The previous prime is 426404189. The next prime is 426404207. The reversal of 426404199 is 991404624.

It is not a de Polignac number, because 426404199 - 2⁹ = 426403687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426404119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236787 + ... + 238580.

It is an arithmetic number, because the mean of its divisors is an integer number (39930912).

Almost surely, 2^426404199 is an apocalyptic number.

426404199 is a deficient number, since it is larger than the sum of its proper divisors (212490393).

426404199 is a wasteful number, since it uses less digits than its factorization.

426404199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475406.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 426404199 is about 20649.5568717588. The cubic root of 426404199 is about 752.6744217333.

The spelling of 426404199 in words is "four hundred twenty-six million, four hundred four thousand, one hundred ninety-nine".