2479947 has 8 divisors (see below), whose sum is σ = 3362880. Its totient is φ = 1625160.

The previous prime is 2479927. The next prime is 2479963. The reversal of 2479947 is 7499742.

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

It is not a de Polignac number, because 2479947 - 2⁸ = 2479691 is a prime.

It is a super-3 number, since 3×2479947³ = 45756042321896433369, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2479899 and 2479908.

It is not an unprimeable number, because it can be changed into a prime (2479927) 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 7 ways as a sum of consecutive naturals, for example, 6829 + ... + 7182.

It is an arithmetic number, because the mean of its divisors is an integer number (420360).

2^2479947 is an apocalyptic number.

2479947 is a deficient number, since it is larger than the sum of its proper divisors (882933).

2479947 is a wasteful number, since it uses less digits than its factorization.

2479947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073.

The product of its digits is 127008, while the sum is 42.

The square root of 2479947 is about 1574.7847471956. The cubic root of 2479947 is about 135.3570247915.

The spelling of 2479947 in words is "two million, four hundred seventy-nine thousand, nine hundred forty-seven".