418249749 has 16 divisors (see below), whose sum is σ = 563393600. Its totient is φ = 275982336.

The previous prime is 418249729. The next prime is 418249751. The reversal of 418249749 is 947942814.

It is not a de Polignac number, because 418249749 - 2¹³ = 418241557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418249698 and 418249707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418249729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154197 + ... + 156885.

It is an arithmetic number, because the mean of its divisors is an integer number (35212100).

Almost surely, 2^418249749 is an apocalyptic number.

It is an amenable number.

418249749 is a deficient number, since it is larger than the sum of its proper divisors (145143851).

418249749 is a wasteful number, since it uses less digits than its factorization.

418249749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 580608, while the sum is 48.

The square root of 418249749 is about 20451.1551996458. The cubic root of 418249749 is about 747.8455199919.

The spelling of 418249749 in words is "four hundred eighteen million, two hundred forty-nine thousand, seven hundred forty-nine".