8340037 has 4 divisors (see below), whose sum is σ = 8347680. Its totient is φ = 8332396.

The previous prime is 8339987. The next prime is 8340041. The reversal of 8340037 is 7300438.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8340037 - 2⁷ = 8339909 is a prime.

It is a super-2 number, since 2×8340037² = 139112434322738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8339993 and 8340020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340337) 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, 1843 + ... + 4480.

It is an arithmetic number, because the mean of its divisors is an integer number (2086920).

Almost surely, 2^8340037 is an apocalyptic number.

It is an amenable number.

8340037 is a deficient number, since it is larger than the sum of its proper divisors (7643).

8340037 is a wasteful number, since it uses less digits than its factorization.

8340037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 8340037 is about 2887.9122216577. The cubic root of 8340037 is about 202.7944160211.

The spelling of 8340037 in words is "eight million, three hundred forty thousand, thirty-seven".