2678290 has 8 divisors (see below), whose sum is σ = 4820940. Its totient is φ = 1071312.

The previous prime is 2678251. The next prime is 2678311. The reversal of 2678290 is 928762.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 24649 = 1629^2 + 157^2 .

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

It is a d-powerful number, because it can be written as 2⁷ + 6⁶ + 7⁴ + 8³ + 2²¹ + 9⁶ + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133905 + ... + 133924.

2^2678290 is an apocalyptic number.

2678290 is a deficient number, since it is larger than the sum of its proper divisors (2142650).

2678290 is a wasteful number, since it uses less digits than its factorization.

2678290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267836.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2678290 is about 1636.5481966627. The cubic root of 2678290 is about 138.8734420747.

The spelling of 2678290 in words is "two million, six hundred seventy-eight thousand, two hundred ninety".