418261 has 8 divisors (see below), whose sum is σ = 437184. Its totient is φ = 399840.

The previous prime is 418259. The next prime is 418273. The reversal of 418261 is 162814.

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 418261 - 2¹ = 418259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418861) 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, 2985 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (54648).

2⁴¹⁸²⁶¹ is an apocalyptic number.

It is an amenable number.

418261 is a deficient number, since it is larger than the sum of its proper divisors (18923).

418261 is a wasteful number, since it uses less digits than its factorization.

418261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its digits is 384, while the sum is 22.

The square root of 418261 is about 646.7310105446. The cubic root of 418261 is about 74.7852225662.

The spelling of 418261 in words is "four hundred eighteen thousand, two hundred sixty-one".