8407243 has 6 divisors (see below), whose sum is σ = 9103884. Its totient is φ = 7760376.

The previous prime is 8407237. The next prime is 8407249. The reversal of 8407243 is 3427048.

It is an interprime number because it is at equal distance from previous prime (8407237) and next prime (8407249).

It is not a de Polignac number, because 8407243 - 2⁵ = 8407211 is a prime.

It is a super-2 number, since 2×8407243² = 141363469722098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8407249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24705 + ... + 25042.

It is an arithmetic number, because the mean of its divisors is an integer number (1517314).

Almost surely, 2^8407243 is an apocalyptic number.

8407243 is a deficient number, since it is larger than the sum of its proper divisors (696641).

8407243 is a wasteful number, since it uses less digits than its factorization.

8407243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49773 (or 49760 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8407243 is about 2899.5246162087. The cubic root of 8407243 is about 203.3376812352.

The spelling of 8407243 in words is "eight million, four hundred seven thousand, two hundred forty-three".