2471986 has 8 divisors (see below), whose sum is σ = 4045104. Its totient is φ = 1123620.

The previous prime is 2471983. The next prime is 2471993. The reversal of 2471986 is 6891742.

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

It is a super-2 number, since 2×2471986² = 12221429568392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2471983) 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, 56160 + ... + 56203.

It is an arithmetic number, because the mean of its divisors is an integer number (505638).

2^2471986 is an apocalyptic number.

2471986 is a deficient number, since it is larger than the sum of its proper divisors (1573118).

2471986 is a wasteful number, since it uses less digits than its factorization.

2471986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112376.

The product of its digits is 24192, while the sum is 37.

The square root of 2471986 is about 1572.2550683652. The cubic root of 2471986 is about 135.2120307794.

It can be divided in two parts, 24 and 71986, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 2471986 in words is "two million, four hundred seventy-one thousand, nine hundred eighty-six".