4809906 has 12 divisors (see below), whose sum is σ = 10421502. Its totient is φ = 1603296.

The previous prime is 4809901. The next prime is 4809941. The reversal of 4809906 is 6099084.

4809906 = 409² + 410² + ... + 435².

It can be written as a sum of positive squares in only one way, i.e., 2692881 + 2117025 = 1641^2 + 1455^2 .

It is a super-3 number, since 3×4809906³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4809901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133591 + ... + 133626.

Almost surely, 2^4809906 is an apocalyptic number.

4809906 is an abundant number, since it is smaller than the sum of its proper divisors (5611596).

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

4809906 is a wasteful number, since it uses less digits than its factorization.

4809906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267225 (or 267222 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4809906 is about 2193.1497896861. The cubic root of 4809906 is about 168.8024956019.

The spelling of 4809906 in words is "four million, eight hundred nine thousand, nine hundred six".