3452378 has 4 divisors (see below), whose sum is σ = 5178570. Its totient is φ = 1726188.

The previous prime is 3452353. The next prime is 3452381. The reversal of 3452378 is 8732543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8732543 = 17 ⋅513679.

It can be written as a sum of positive squares in only one way, i.e., 3433609 + 18769 = 1853^2 + 137^2 .

It is a d-powerful number, because it can be written as 3⁴ + 4 + 5³ + 2⁵ + 3¹² + 7⁷ + 8⁷ .

It is a Curzon 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 as a sum of consecutive naturals, namely, 863093 + ... + 863096.

Almost surely, 2^3452378 is an apocalyptic number.

3452378 is a deficient number, since it is larger than the sum of its proper divisors (1726192).

3452378 is a wasteful number, since it uses less digits than its factorization.

3452378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726191.

The product of its digits is 20160, while the sum is 32.

The square root of 3452378 is about 1858.0575879127. The cubic root of 3452378 is about 151.1376900015.

The spelling of 3452378 in words is "three million, four hundred fifty-two thousand, three hundred seventy-eight".