427408335 has 24 divisors (see below), whose sum is σ = 741770640. Its totient is φ = 227665152.

The previous prime is 427408309. The next prime is 427408367. The reversal of 427408335 is 533804724.

It is a happy number.

It is not a de Polignac number, because 427408335 - 2¹³ = 427400143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427408335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33127 + ... + 44183.

It is an arithmetic number, because the mean of its divisors is an integer number (30907110).

Almost surely, 2^427408335 is an apocalyptic number.

427408335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427408335 is a deficient number, since it is larger than the sum of its proper divisors (314362305).

427408335 is a wasteful number, since it uses less digits than its factorization.

427408335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 427408335 is about 20673.8563166140. The cubic root of 427408335 is about 753.2647809854.

The spelling of 427408335 in words is "four hundred twenty-seven million, four hundred eight thousand, three hundred thirty-five".