3257642 has 8 divisors (see below), whose sum is σ = 5173956. Its totient is φ = 1532992.

The previous prime is 3257641. The next prime is 3257663. The reversal of 3257642 is 2467523.

3257642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 57121 = 1789^2 + 239^2 .

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

It is a super-2 number, since 2×3257642² = 21224462800328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3257641) 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 3 ways as a sum of consecutive naturals, for example, 47873 + ... + 47940.

Almost surely, 2^3257642 is an apocalyptic number.

3257642 is a deficient number, since it is larger than the sum of its proper divisors (1916314).

3257642 is a wasteful number, since it uses less digits than its factorization.

3257642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95832.

The product of its digits is 10080, while the sum is 29.

The square root of 3257642 is about 1804.8939026990. The cubic root of 3257642 is about 148.2408120022.

The spelling of 3257642 in words is "three million, two hundred fifty-seven thousand, six hundred forty-two".