406184742 has 24 divisors (see below), whose sum is σ = 903854016. Its totient is φ = 131735376.

The previous prime is 406184729. The next prime is 406184747. The reversal of 406184742 is 247481604.

406184742 is a `hidden beast` number, since 406 + 184 + 74 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 406184697 and 406184706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406184747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304278 + ... + 305609.

It is an arithmetic number, because the mean of its divisors is an integer number (37660584).

Almost surely, 2^406184742 is an apocalyptic number.

406184742 is an abundant number, since it is smaller than the sum of its proper divisors (497669274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406184742 is a wasteful number, since it uses less digits than its factorization.

406184742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609932 (or 609929 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 406184742 is about 20154.0254539881. The cubic root of 406184742 is about 740.5843582462.

The spelling of 406184742 in words is "four hundred six million, one hundred eighty-four thousand, seven hundred forty-two".