4010409 has 24 divisors (see below), whose sum is σ = 6307392. Its totient is φ = 2440800.

The previous prime is 4010399. The next prime is 4010423. The reversal of 4010409 is 9040104.

It is not a de Polignac number, because 4010409 - 2⁹ = 4009897 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4010391 and 4010400.

It is not an unprimeable number, because it can be changed into a prime (4010509) 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, 17554 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (262808).

Almost surely, 2^4010409 is an apocalyptic number.

It is an amenable number.

4010409 is a deficient number, since it is larger than the sum of its proper divisors (2296983).

4010409 is a wasteful number, since it uses less digits than its factorization.

4010409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4010409 is about 2002.6005592729. The cubic root of 4010409 is about 158.8776797442.

The spelling of 4010409 in words is "four million, ten thousand, four hundred nine".