2983638 has 16 divisors (see below), whose sum is σ = 6819840. Its totient is φ = 852456.

The previous prime is 2983621. The next prime is 2983639. The reversal of 2983638 is 8363892.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2983596 and 2983605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2983639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35478 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (426240).

2^2983638 is an apocalyptic number.

2983638 is an abundant number, since it is smaller than the sum of its proper divisors (3836202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2983638 is a wasteful number, since it uses less digits than its factorization.

2983638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71051.

The product of its digits is 62208, while the sum is 39.

The square root of 2983638 is about 1727.3210471710. The cubic root of 2983638 is about 143.9622779279.

The spelling of 2983638 in words is "two million, nine hundred eighty-three thousand, six hundred thirty-eight".