8340477 has 8 divisors (see below), whose sum is σ = 11140416. Its totient is φ = 5550432.

The previous prime is 8340473. The next prime is 8340509. The reversal of 8340477 is 7740438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8340477 - 2² = 8340473 is a prime.

It is a super-3 number, since 3×8340477³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340473) 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 7 ways as a sum of consecutive naturals, for example, 208 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (1392552).

Almost surely, 2^8340477 is an apocalyptic number.

It is an amenable number.

8340477 is a deficient number, since it is larger than the sum of its proper divisors (2799939).

8340477 is a wasteful number, since it uses less digits than its factorization.

8340477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 8340477 is about 2887.9884002537. The cubic root of 8340477 is about 202.7979822712.

The spelling of 8340477 in words is "eight million, three hundred forty thousand, four hundred seventy-seven".