8409401 has 32 divisors (see below), whose sum is σ = 11698176. Its totient is φ = 5832000.

The previous prime is 8409383. The next prime is 8409403. The reversal of 8409401 is 1049048.

It is a cyclic number.

It is not a de Polignac number, because 8409401 - 2¹⁰ = 8408377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8409403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30896 + ... + 31166.

It is an arithmetic number, because the mean of its divisors is an integer number (365568).

Almost surely, 2^8409401 is an apocalyptic number.

It is an amenable number.

8409401 is a deficient number, since it is larger than the sum of its proper divisors (3288775).

8409401 is a wasteful number, since it uses less digits than its factorization.

8409401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8409401 is about 2899.8967222989. The cubic root of 8409401 is about 203.3550775516.

The spelling of 8409401 in words is "eight million, four hundred nine thousand, four hundred one".