3503642 has 4 divisors (see below), whose sum is σ = 5255466. Its totient is φ = 1751820.

The previous prime is 3503639. The next prime is 3503677. The reversal of 3503642 is 2463053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2463053 = 37 ⋅66569.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 1256641 = 1499^2 + 1121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875909 + ... + 875912.

Almost surely, 2^3503642 is an apocalyptic number.

3503642 is a deficient number, since it is larger than the sum of its proper divisors (1751824).

3503642 is a wasteful number, since it uses less digits than its factorization.

3503642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751823.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3503642 is about 1871.8018057476. The cubic root of 3503642 is about 151.8820934665.

Adding to 3503642 its reverse (2463053), we get a palindrome (5966695).

The spelling of 3503642 in words is "three million, five hundred three thousand, six hundred forty-two".