2133478 has 8 divisors (see below), whose sum is σ = 3209472. Its totient is φ = 1063656.

The previous prime is 2133463. The next prime is 2133487. The reversal of 2133478 is 8743312.

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 2²¹ + 1 + 3⁵ + 3⁹ + 4⁷ + 7 + 8 .

It is a congruent number.

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, 550 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (401184).

2^2133478 is an apocalyptic number.

2133478 is a deficient number, since it is larger than the sum of its proper divisors (1075994).

2133478 is a wasteful number, since it uses less digits than its factorization.

2133478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its digits is 4032, while the sum is 28.

The square root of 2133478 is about 1460.6430090888. The cubic root of 2133478 is about 128.7348277594.

It can be divided in two parts, 21334 and 78, that added together give a palindrome (21412).

The spelling of 2133478 in words is "two million, one hundred thirty-three thousand, four hundred seventy-eight".