2934638 has 16 divisors (see below), whose sum is σ = 5085024. Its totient is φ = 1244160.

The previous prime is 2934637. The next prime is 2934641. The reversal of 2934638 is 8364392.

It is a happy number.

It is a super-2 number, since 2×2934638² = 17224200382088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2934598 and 2934607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2934637) 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 in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (317814).

2^2934638 is an apocalyptic number.

2934638 is a deficient number, since it is larger than the sum of its proper divisors (2150386).

2934638 is a wasteful number, since it uses less digits than its factorization.

2934638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 31104, while the sum is 35.

The square root of 2934638 is about 1713.0785154219. The cubic root of 2934638 is about 143.1698309883.

The spelling of 2934638 in words is "two million, nine hundred thirty-four thousand, six hundred thirty-eight".