404252343 has 32 divisors (see below), whose sum is σ = 671013120. Its totient is φ = 238373280.

The previous prime is 404252323. The next prime is 404252351. The reversal of 404252343 is 343252404.

404252343 is a `hidden beast` number, since 4 + 0 + 425 + 234 + 3 = 666.

It is not a de Polignac number, because 404252343 - 2¹³ = 404244151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404252323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7405 + ... + 29382.

It is an arithmetic number, because the mean of its divisors is an integer number (20969160).

Almost surely, 2^404252343 is an apocalyptic number.

404252343 is a deficient number, since it is larger than the sum of its proper divisors (266760777).

404252343 is a wasteful number, since it uses less digits than its factorization.

404252343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36844 (or 36838 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 404252343 is about 20106.0275290769. The cubic root of 404252343 is about 739.4080626625.

The spelling of 404252343 in words is "four hundred four million, two hundred fifty-two thousand, three hundred forty-three".