418949 has 4 divisors (see below), whose sum is σ = 428736. Its totient is φ = 409164.

The previous prime is 418939. The next prime is 418961. The reversal of 418949 is 949814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 949814 = 2 ⋅474907.

It is a cyclic number.

It is not a de Polignac number, because 418949 - 2⁴ = 418933 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418949.

It is not an unprimeable number, because it can be changed into a prime (418909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829 + ... + 4914.

It is an arithmetic number, because the mean of its divisors is an integer number (107184).

2⁴¹⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

418949 is a deficient number, since it is larger than the sum of its proper divisors (9787).

418949 is an equidigital number, since it uses as much as digits as its factorization.

418949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786.

The product of its digits is 10368, while the sum is 35.

The square root of 418949 is about 647.2626978283. The cubic root of 418949 is about 74.8262049891.

The spelling of 418949 in words is "four hundred eighteen thousand, nine hundred forty-nine".