405874234 has 8 divisors (see below), whose sum is σ = 621764928. Its totient is φ = 198619260.

The previous prime is 405874229. The next prime is 405874247. The reversal of 405874234 is 432478504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 405874193 and 405874202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158812 + ... + 2158999.

It is an arithmetic number, because the mean of its divisors is an integer number (77720616).

Almost surely, 2^405874234 is an apocalyptic number.

405874234 is a deficient number, since it is larger than the sum of its proper divisors (215890694).

405874234 is a wasteful number, since it uses less digits than its factorization.

405874234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317860.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 405874234 is about 20146.3206069992. The cubic root of 405874234 is about 740.3955968560.

The spelling of 405874234 in words is "four hundred five million, eight hundred seventy-four thousand, two hundred thirty-four".