2788430 has 8 divisors (see below), whose sum is σ = 5019192. Its totient is φ = 1115368.

The previous prime is 2788427. The next prime is 2788433. The reversal of 2788430 is 348872.

It is an interprime number because it is at equal distance from previous prime (2788427) and next prime (2788433).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788433) 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, 139412 + ... + 139431.

It is an arithmetic number, because the mean of its divisors is an integer number (627399).

2^2788430 is an apocalyptic number.

2788430 is a deficient number, since it is larger than the sum of its proper divisors (2230762).

2788430 is a wasteful number, since it uses less digits than its factorization.

2788430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278850.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2788430 is about 1669.8592755080. The cubic root of 2788430 is about 140.7515703253.

The spelling of 2788430 in words is "two million, seven hundred eighty-eight thousand, four hundred thirty".