3497986 has 4 divisors (see below), whose sum is σ = 5246982. Its totient is φ = 1748992.

The previous prime is 3497959. The next prime is 3497987. The reversal of 3497986 is 6897943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 189225 = 1819^2 + 435^2 .

It is not an unprimeable number, because it can be changed into a prime (3497987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874495 + ... + 874498.

Almost surely, 2^3497986 is an apocalyptic number.

3497986 is a deficient number, since it is larger than the sum of its proper divisors (1748996).

3497986 is a wasteful number, since it uses less digits than its factorization.

3497986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748995.

The product of its digits is 326592, while the sum is 46.

The square root of 3497986 is about 1870.2903517903. The cubic root of 3497986 is about 151.8003206718.

The spelling of 3497986 in words is "three million, four hundred ninety-seven thousand, nine hundred eighty-six".