2064278 has 8 divisors (see below), whose sum is σ = 3203280. Its totient is φ = 996520.

The previous prime is 2064277. The next prime is 2064299. The reversal of 2064278 is 8724602.

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

It is a super-2 number, since 2×2064278² = 8522487322568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064277) 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, 17738 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (400410).

2^2064278 is an apocalyptic number.

2064278 is a deficient number, since it is larger than the sum of its proper divisors (1139002).

2064278 is a wasteful number, since it uses less digits than its factorization.

2064278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35622.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2064278 is about 1436.7595484283. The cubic root of 2064278 is about 127.3276512789.

The spelling of 2064278 in words is "two million, sixty-four thousand, two hundred seventy-eight".