2983642 has 4 divisors (see below), whose sum is σ = 4475466. Its totient is φ = 1491820.

The previous prime is 2983639. The next prime is 2983661. The reversal of 2983642 is 2463892.

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., 2752281 + 231361 = 1659^2 + 481^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2983598 and 2983607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745909 + ... + 745912.

2^2983642 is an apocalyptic number.

2983642 is a deficient number, since it is larger than the sum of its proper divisors (1491824).

2983642 is a wasteful number, since it uses less digits than its factorization.

2983642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491823.

The product of its digits is 20736, while the sum is 34.

The square root of 2983642 is about 1727.3222050330. The cubic root of 2983642 is about 143.9623422620.

The spelling of 2983642 in words is "two million, nine hundred eighty-three thousand, six hundred forty-two".