8477949 has 4 divisors (see below), whose sum is σ = 11303936. Its totient is φ = 5651964.

The previous prime is 8477941. The next prime is 8477957. The reversal of 8477949 is 9497748.

It is a happy number.

8477949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (8477941) and next prime (8477957).

It is not a de Polignac number, because 8477949 - 2³ = 8477941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8477898 and 8477907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8477941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412989 + ... + 1412994.

It is an arithmetic number, because the mean of its divisors is an integer number (2825984).

Almost surely, 2^8477949 is an apocalyptic number.

It is an amenable number.

8477949 is a deficient number, since it is larger than the sum of its proper divisors (2825987).

8477949 is a wasteful number, since it uses less digits than its factorization.

8477949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825986.

The product of its digits is 508032, while the sum is 48.

The square root of 8477949 is about 2911.6917762703. The cubic root of 8477949 is about 203.9061227036.

The spelling of 8477949 in words is "eight million, four hundred seventy-seven thousand, nine hundred forty-nine".