4098081 has 24 divisors (see below), whose sum is σ = 6060960. Its totient is φ = 2461056.

The previous prime is 4098079. The next prime is 4098089. The reversal of 4098081 is 1808904.

4098081 = 234² + 235² + ... + 292².

It is a happy number.

It is not a de Polignac number, because 4098081 - 2¹ = 4098079 is a prime.

It is a super-2 number, since 2×4098081² = 33588535765122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4098089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29845 + ... + 29981.

It is an arithmetic number, because the mean of its divisors is an integer number (252540).

Almost surely, 2^4098081 is an apocalyptic number.

It is an amenable number.

4098081 is a deficient number, since it is larger than the sum of its proper divisors (1962879).

4098081 is a wasteful number, since it uses less digits than its factorization.

4098081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4098081 is about 2024.3717543969. The cubic root of 4098081 is about 160.0270917666.

The spelling of 4098081 in words is "four million, ninety-eight thousand, eighty-one".