418261949 has 8 divisors (see below), whose sum is σ = 490933248. Its totient is φ = 348820560.

The previous prime is 418261939. The next prime is 418261993. The reversal of 418261949 is 949162814.

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 418261949 - 2²⁰ = 417213373 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 (418261939) 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, 807197 + ... + 807714.

It is an arithmetic number, because the mean of its divisors is an integer number (61366656).

Almost surely, 2^418261949 is an apocalyptic number.

It is an amenable number.

418261949 is a deficient number, since it is larger than the sum of its proper divisors (72671299).

418261949 is a wasteful number, since it uses less digits than its factorization.

418261949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614955.

The product of its digits is 124416, while the sum is 44.

The square root of 418261949 is about 20451.4534691303. The cubic root of 418261949 is about 747.8527912668.

The spelling of 418261949 in words is "four hundred eighteen million, two hundred sixty-one thousand, nine hundred forty-nine".