3298942978 has 8 divisors (see below), whose sum is σ = 4967669772. Its totient is φ = 1643053056.

The previous prime is 3298942967. The next prime is 3298942979. The reversal of 3298942978 is 8792498923.

It can be written as a sum of positive squares in 2 ways, for example, as 3122239129 + 176703849 = 55877^2 + 13293^2 .

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 (3298942979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3208575 + ... + 3209602.

Almost surely, 2^3298942978 is an apocalyptic number.

3298942978 is a deficient number, since it is larger than the sum of its proper divisors (1668726794).

3298942978 is a wasteful number, since it uses less digits than its factorization.

3298942978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418436.

The product of its digits is 15676416, while the sum is 61.

The square root of 3298942978 is about 57436.4255329316. The cubic root of 3298942978 is about 1488.6465763602.

The spelling of 3298942978 in words is "three billion, two hundred ninety-eight million, nine hundred forty-two thousand, nine hundred seventy-eight".