4997642 has 16 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 2290800.

The previous prime is 4997621. The next prime is 4997659. The reversal of 4997642 is 2467994.

It is a self number, because there is not a number n which added to its sum of digits gives 4997642.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 4917.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^4997642 is an apocalyptic number.

4997642 is a deficient number, since it is larger than the sum of its proper divisors (3130870).

4997642 is a wasteful number, since it uses less digits than its factorization.

4997642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its digits is 108864, while the sum is 41.

The square root of 4997642 is about 2235.5406504915. The cubic root of 4997642 is about 170.9707096190.

The spelling of 4997642 in words is "four million, nine hundred ninety-seven thousand, six hundred forty-two".