409218601 has 8 divisors (see below), whose sum is σ = 446570784. Its totient is φ = 371891520.

The previous prime is 409218583. The next prime is 409218617. The reversal of 409218601 is 106812904.

It is a happy number.

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

It is not a de Polignac number, because 409218601 - 2⁷ = 409218473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409218661) 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, 49126 + ... + 56848.

It is an arithmetic number, because the mean of its divisors is an integer number (55821348).

Almost surely, 2^409218601 is an apocalyptic number.

It is an amenable number.

409218601 is a deficient number, since it is larger than the sum of its proper divisors (37352183).

409218601 is a wasteful number, since it uses less digits than its factorization.

409218601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 409218601 is about 20229.1522560882. The cubic root of 409218601 is about 742.4236343293.

The spelling of 409218601 in words is "four hundred nine million, two hundred eighteen thousand, six hundred one".