4631906 has 4 divisors (see below), whose sum is σ = 6947862. Its totient is φ = 2315952.

The previous prime is 4631903. The next prime is 4631987. The reversal of 4631906 is 6091364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4515625 + 116281 = 2125^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (4631903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157975 + ... + 1157978.

Almost surely, 2^4631906 is an apocalyptic number.

4631906 is a deficient number, since it is larger than the sum of its proper divisors (2315956).

4631906 is a wasteful number, since it uses less digits than its factorization.

4631906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315955.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4631906 is about 2152.1863302233. The cubic root of 4631906 is about 166.6939786352.

The spelling of 4631906 in words is "four million, six hundred thirty-one thousand, nine hundred six".