1959947 has 16 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 1633920.

The previous prime is 1959943. The next prime is 1959949. The reversal of 1959947 is 7499591.

It is a cyclic number.

It is not a de Polignac number, because 1959947 - 2² = 1959943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1959898 and 1959907.

It is not an unprimeable number, because it can be changed into a prime (1959941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8678 + ... + 8900.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

2^1959947 is an apocalyptic number.

1959947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1959947 is a deficient number, since it is larger than the sum of its proper divisors (362485).

1959947 is a wasteful number, since it uses less digits than its factorization.

1959947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its digits is 102060, while the sum is 44.

The square root of 1959947 is about 1399.9810713006. The cubic root of 1959947 is about 125.1453668822.

The spelling of 1959947 in words is "one million, nine hundred fifty-nine thousand, nine hundred forty-seven".