406624246 has 12 divisors (see below), whose sum is σ = 709517988. Its totient is φ = 174267492.

The previous prime is 406624243. The next prime is 406624249. The reversal of 406624246 is 642426604.

It is an interprime number because it is at equal distance from previous prime (406624243) and next prime (406624249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406624243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2074516 + ... + 2074711.

It is an arithmetic number, because the mean of its divisors is an integer number (59126499).

Almost surely, 2^406624246 is an apocalyptic number.

406624246 is a deficient number, since it is larger than the sum of its proper divisors (302893742).

406624246 is a wasteful number, since it uses less digits than its factorization.

406624246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149243 (or 4149236 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 406624246 is about 20164.9261342560. The cubic root of 406624246 is about 740.8513734146.

The spelling of 406624246 in words is "four hundred six million, six hundred twenty-four thousand, two hundred forty-six".