231824406 has 32 divisors (see below), whose sum is σ = 527793408. Its totient is φ = 67195040.

The previous prime is 231824401. The next prime is 231824419. The reversal of 231824406 is 604428132.

231824406 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231824401) 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, 74841 + ... + 77876.

It is an arithmetic number, because the mean of its divisors is an integer number (16493544).

Almost surely, 2^231824406 is an apocalyptic number.

231824406 is an abundant number, since it is smaller than the sum of its proper divisors (295969002).

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

231824406 is a wasteful number, since it uses less digits than its factorization.

231824406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152756.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 231824406 is about 15225.7809651919. The cubic root of 231824406 is about 614.3083029063.

The spelling of 231824406 in words is "two hundred thirty-one million, eight hundred twenty-four thousand, four hundred six".