3429909378 has 48 divisors (see below), whose sum is σ = 8767090176. Its totient is φ = 948360960.

The previous prime is 3429909377. The next prime is 3429909383. The reversal of 3429909378 is 8739099243.

It is not an unprimeable number, because it can be changed into a prime (3429909377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435151 + ... + 442962.

It is an arithmetic number, because the mean of its divisors is an integer number (182647712).

Almost surely, 2^3429909378 is an apocalyptic number.

3429909378 is an abundant number, since it is smaller than the sum of its proper divisors (5337180798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3429909378 is a wasteful number, since it uses less digits than its factorization.

3429909378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878159 (or 878156 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 3429909378 is about 58565.4281807962. The cubic root of 3429909378 is about 1508.0910013284.

The spelling of 3429909378 in words is "three billion, four hundred twenty-nine million, nine hundred nine thousand, three hundred seventy-eight".