3452978 has 4 divisors (see below), whose sum is σ = 5179470. Its totient is φ = 1726488.

The previous prime is 3452971. The next prime is 3452987. The reversal of 3452978 is 8792543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8792543 = 997 ⋅8819.

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 1399489 = 1433^2 + 1183^2 .

It is not an unprimeable number, because it can be changed into a prime (3452971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863243 + ... + 863246.

Almost surely, 2^3452978 is an apocalyptic number.

3452978 is a deficient number, since it is larger than the sum of its proper divisors (1726492).

3452978 is a wasteful number, since it uses less digits than its factorization.

3452978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726491.

The product of its digits is 60480, while the sum is 38.

The square root of 3452978 is about 1858.2190398336. The cubic root of 3452978 is about 151.1464450645.

The spelling of 3452978 in words is "three million, four hundred fifty-two thousand, nine hundred seventy-eight".