3501746 has 4 divisors (see below), whose sum is σ = 5252622. Its totient is φ = 1750872.

The previous prime is 3501739. The next prime is 3501749. The reversal of 3501746 is 6471053.

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., 2088025 + 1413721 = 1445^2 + 1189^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3501749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875435 + ... + 875438.

Almost surely, 2^3501746 is an apocalyptic number.

3501746 is a deficient number, since it is larger than the sum of its proper divisors (1750876).

3501746 is a wasteful number, since it uses less digits than its factorization.

3501746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750875.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3501746 is about 1871.2952733334. The cubic root of 3501746 is about 151.8546914650.

Adding to 3501746 its reverse (6471053), we get a palindrome (9972799).

The spelling of 3501746 in words is "three million, five hundred one thousand, seven hundred forty-six".