4006634 has 8 divisors (see below), whose sum is σ = 6050208. Its totient is φ = 1989900.

The previous prime is 4006633. The next prime is 4006637. The reversal of 4006634 is 4366004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4006633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6332 + ... + 6935.

It is an arithmetic number, because the mean of its divisors is an integer number (756276).

Almost surely, 2^4006634 is an apocalyptic number.

4006634 is a deficient number, since it is larger than the sum of its proper divisors (2043574).

4006634 is a wasteful number, since it uses less digits than its factorization.

4006634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4006634 is about 2001.6578129141. The cubic root of 4006634 is about 158.8278135481.

The spelling of 4006634 in words is "four million, six thousand, six hundred thirty-four".