4081626 has 24 divisors (see below), whose sum is σ = 9228960. Its totient is φ = 1301256.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081626 is 6261804.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4081626.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4516 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (384540).

Almost surely, 2^4081626 is an apocalyptic number.

4081626 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4081626 is an abundant number, since it is smaller than the sum of its proper divisors (5147334).

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

4081626 is a wasteful number, since it uses less digits than its factorization.

4081626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4081626 is about 2020.3034425551. The cubic root of 4081626 is about 159.8126191800.

The spelling of 4081626 in words is "four million, eighty-one thousand, six hundred twenty-six".