8472949 has 4 divisors (see below), whose sum is σ = 8537760. Its totient is φ = 8408140.

The previous prime is 8472943. The next prime is 8472977. The reversal of 8472949 is 9492748.

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 a cyclic number.

It is not a de Polignac number, because 8472949 - 2³ = 8472941 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 (8472941) 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, 32209 + ... + 32470.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 2^8472949 is an apocalyptic number.

It is an amenable number.

8472949 is a deficient number, since it is larger than the sum of its proper divisors (64811).

8472949 is a wasteful number, since it uses less digits than its factorization.

8472949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64810.

The product of its digits is 145152, while the sum is 43.

The square root of 8472949 is about 2910.8330422750. The cubic root of 8472949 is about 203.8660292366.

The spelling of 8472949 in words is "eight million, four hundred seventy-two thousand, nine hundred forty-nine".