4023626 has 8 divisors (see below), whose sum is σ = 6091140. Its totient is φ = 1993248.

The previous prime is 4023619. The next prime is 4023629. The reversal of 4023626 is 6263204.

It can be written as a sum of positive squares in 2 ways, for example, as 3822025 + 201601 = 1955^2 + 449^2 .

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 (4023629) 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, 9011 + ... + 9446.

Almost surely, 2^4023626 is an apocalyptic number.

4023626 is a deficient number, since it is larger than the sum of its proper divisors (2067514).

4023626 is a wasteful number, since it uses less digits than its factorization.

4023626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568.

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

The square root of 4023626 is about 2005.8978039771. The cubic root of 4023626 is about 159.0520246935.

The spelling of 4023626 in words is "four million, twenty-three thousand, six hundred twenty-six".