1407982 has 4 divisors (see below), whose sum is σ = 2111976. Its totient is φ = 703990.

The previous prime is 1407971. The next prime is 1407997. The reversal of 1407982 is 2897041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2897041 = 7 ⋅413863.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351994 + ... + 351997.

It is an arithmetic number, because the mean of its divisors is an integer number (527994).

2^1407982 is an apocalyptic number.

1407982 is a deficient number, since it is larger than the sum of its proper divisors (703994).

1407982 is an equidigital number, since it uses as much as digits as its factorization.

1407982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703993.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1407982 is about 1186.5841731626. The cubic root of 1407982 is about 112.0810956038.

It can be divided in two parts, 14079 and 82, that added together give a square (14161 = 119²).

The spelling of 1407982 in words is "one million, four hundred seven thousand, nine hundred eighty-two".