1967497 has 6 divisors (see below), whose sum is σ = 2288778. Its totient is φ = 1686384.

The previous prime is 1967479. The next prime is 1967501. The reversal of 1967497 is 7947691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 254016 = 1309^2 + 504^2 .

It is not a de Polignac number, because 1967497 - 2⁷ = 1967369 is a prime.

It is a Duffinian number.

1967497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1967417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20028 + ... + 20125.

It is an arithmetic number, because the mean of its divisors is an integer number (381463).

2^1967497 is an apocalyptic number.

It is an amenable number.

1967497 is a deficient number, since it is larger than the sum of its proper divisors (321281).

1967497 is an equidigital number, since it uses as much as digits as its factorization.

1967497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40167 (or 40160 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 1967497 is about 1402.6749445256. The cubic root of 1967497 is about 125.3058536845.

The spelling of 1967497 in words is "one million, nine hundred sixty-seven thousand, four hundred ninety-seven".