3203420978 has 8 divisors (see below), whose sum is σ = 4883904300. Its totient is φ = 1575452880.

The previous prime is 3203420977. The next prime is 3203420999. The reversal of 3203420978 is 8790243023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2594170489 + 609250489 = 50933^2 + 24683^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3203420977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13128653 + ... + 13128896.

Almost surely, 2^3203420978 is an apocalyptic number.

3203420978 is a deficient number, since it is larger than the sum of its proper divisors (1680483322).

3203420978 is a wasteful number, since it uses less digits than its factorization.

3203420978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26257612.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3203420978 is about 56598.7718771353. The cubic root of 3203420978 is about 1474.1375370509.

The spelling of 3203420978 in words is "three billion, two hundred three million, four hundred twenty thousand, nine hundred seventy-eight".