8418437 has 4 divisors (see below), whose sum is σ = 8784480. Its totient is φ = 8052396.

The previous prime is 8418413. The next prime is 8418457. The reversal of 8418437 is 7348148.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 8418437 - 2⁶ = 8418373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8418397 and 8418406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418457) 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, 182987 + ... + 183032.

It is an arithmetic number, because the mean of its divisors is an integer number (2196120).

Almost surely, 2^8418437 is an apocalyptic number.

It is an amenable number.

8418437 is a deficient number, since it is larger than the sum of its proper divisors (366043).

8418437 is a wasteful number, since it uses less digits than its factorization.

8418437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366042.

The product of its digits is 21504, while the sum is 35.

The square root of 8418437 is about 2901.4542905240. The cubic root of 8418437 is about 203.4278872848.

The spelling of 8418437 in words is "eight million, four hundred eighteen thousand, four hundred thirty-seven".