8308949 has 6 divisors (see below), whose sum is σ = 9133110. Its totient is φ = 7553480.

The previous prime is 8308943. The next prime is 8308973. The reversal of 8308949 is 9498038.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 3025 = 2882^2 + 55^2 .

It is not a de Polignac number, because 8308949 - 2⁸ = 8308693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8308943) 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, 34214 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (1522185).

Almost surely, 2^8308949 is an apocalyptic number.

It is an amenable number.

8308949 is a deficient number, since it is larger than the sum of its proper divisors (824161).

8308949 is a wasteful number, since it uses less digits than its factorization.

8308949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68691 (or 68680 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 8308949 is about 2882.5247613854. The cubic root of 8308949 is about 202.5421260731.

It can be divided in two parts, 83089 and 49, that added together give a palindrome (83138).

The spelling of 8308949 in words is "eight million, three hundred eight thousand, nine hundred forty-nine".