2642830 has 8 divisors (see below), whose sum is σ = 4757112. Its totient is φ = 1057128.

The previous prime is 2642821. The next prime is 2642839. The reversal of 2642830 is 382462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2642821) and next prime (2642839).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2642795 and 2642804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132132 + ... + 132151.

It is an arithmetic number, because the mean of its divisors is an integer number (594639).

2^2642830 is an apocalyptic number.

2642830 is a deficient number, since it is larger than the sum of its proper divisors (2114282).

2642830 is a wasteful number, since it uses less digits than its factorization.

2642830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264290.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2642830 is about 1625.6783199637. The cubic root of 2642830 is about 138.2578320596.

The spelling of 2642830 in words is "two million, six hundred forty-two thousand, eight hundred thirty".