3418749 has 12 divisors (see below), whose sum is σ = 4988412. Its totient is φ = 2256000.

The previous prime is 3418747. The next prime is 3418759. The reversal of 3418749 is 9478143.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 842724 = 1605^2 + 918^2 .

It is not a de Polignac number, because 3418749 - 2¹ = 3418747 is a prime.

It is an Ulam number.

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

It is a Curzon number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3418747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972 + ... + 2789.

It is an arithmetic number, because the mean of its divisors is an integer number (415701).

Almost surely, 2^3418749 is an apocalyptic number.

It is an amenable number.

3418749 is a deficient number, since it is larger than the sum of its proper divisors (1569663).

3418749 is a wasteful number, since it uses less digits than its factorization.

3418749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3865 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3418749 is about 1848.9859382916. The cubic root of 3418749 is about 150.6453528164.

The spelling of 3418749 in words is "three million, four hundred eighteen thousand, seven hundred forty-nine".