3430978305 has 16 divisors (see below), whose sum is σ = 5524534464. Its totient is φ = 1818198720.

The previous prime is 3430978249. The next prime is 3430978349. The reversal of 3430978305 is 5038790343.

It is a happy number.

It is not a de Polignac number, because 3430978305 - 2⁸ = 3430978049 is a prime.

It is a super-2 number, since 2×3430978305² = 23543224258761346050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726091 + ... + 730800.

It is an arithmetic number, because the mean of its divisors is an integer number (345283404).

Almost surely, 2^3430978305 is an apocalyptic number.

It is an amenable number.

3430978305 is a deficient number, since it is larger than the sum of its proper divisors (2093556159).

3430978305 is a wasteful number, since it uses less digits than its factorization.

3430978305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457056.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 3430978305 is about 58574.5533913832. The cubic root of 3430978305 is about 1508.2476499526.

The spelling of 3430978305 in words is "three billion, four hundred thirty million, nine hundred seventy-eight thousand, three hundred five".