3419978 has 4 divisors (see below), whose sum is σ = 5129970. Its totient is φ = 1709988.

The previous prime is 3419963. The next prime is 3420023. The reversal of 3419978 is 8799143.

It is a happy number.

3419978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8799143 = 401 ⋅21943.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 332929 = 1757^2 + 577^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854993 + ... + 854996.

Almost surely, 2^3419978 is an apocalyptic number.

3419978 is a deficient number, since it is larger than the sum of its proper divisors (1709992).

3419978 is a wasteful number, since it uses less digits than its factorization.

3419978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709991.

The product of its digits is 54432, while the sum is 41.

The square root of 3419978 is about 1849.3182527624. The cubic root of 3419978 is about 150.6634023971.

The spelling of 3419978 in words is "three million, four hundred nineteen thousand, nine hundred seventy-eight".