2690078 has 8 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 1333024.

The previous prime is 2690071. The next prime is 2690081. The reversal of 2690078 is 8700962.

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 (2690071) 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, 5726 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

2^2690078 is an apocalyptic number.

2690078 is a deficient number, since it is larger than the sum of its proper divisors (1381090).

2690078 is a wasteful number, since it uses less digits than its factorization.

2690078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12018.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2690078 is about 1640.1457252330. The cubic root of 2690078 is about 139.0768858492.

The spelling of 2690078 in words is "two million, six hundred ninety thousand, seventy-eight".