2670390 has 24 divisors (see below), whose sum is σ = 6943248. Its totient is φ = 712080.

The previous prime is 2670373. The next prime is 2670439. The reversal of 2670390 is 930762.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14746 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (289302).

2^2670390 is an apocalyptic number.

2670390 is an abundant number, since it is smaller than the sum of its proper divisors (4272858).

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

2670390 is a wasteful number, since it uses less digits than its factorization.

2670390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29684 (or 29681 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2670390 is about 1634.1327975413. The cubic root of 2670390 is about 138.7367652339.

The spelling of 2670390 in words is "two million, six hundred seventy thousand, three hundred ninety".