409854401 has 8 divisors (see below), whose sum is σ = 448212000. Its totient is φ = 371679840.

The previous prime is 409854397. The next prime is 409854413. The reversal of 409854401 is 104458904.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409854401 - 2² = 409854397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409854001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41051 + ... + 50048.

It is an arithmetic number, because the mean of its divisors is an integer number (56026500).

Almost surely, 2^409854401 is an apocalyptic number.

It is an amenable number.

409854401 is a deficient number, since it is larger than the sum of its proper divisors (38357599).

409854401 is a wasteful number, since it uses less digits than its factorization.

409854401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91519.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 409854401 is about 20244.8611010301. The cubic root of 409854401 is about 742.8079347917.

The spelling of 409854401 in words is "four hundred nine million, eight hundred fifty-four thousand, four hundred one".