3499013978 has 8 divisors (see below), whose sum is σ = 5283279840. Its totient is φ = 1737920700.

The previous prime is 3499013971. The next prime is 3499013993. The reversal of 3499013978 is 8793109943.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3499013971) 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, 5792768 + ... + 5793371.

It is an arithmetic number, because the mean of its divisors is an integer number (660409980).

Almost surely, 2^3499013978 is an apocalyptic number.

3499013978 is a deficient number, since it is larger than the sum of its proper divisors (1784265862).

3499013978 is a wasteful number, since it uses less digits than its factorization.

3499013978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11586292.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 3499013978 is about 59152.4638371049. The cubic root of 3499013978 is about 1518.1518942833.

The spelling of 3499013978 in words is "three billion, four hundred ninety-nine million, thirteen thousand, nine hundred seventy-eight".