9780346434 has 16 divisors (see below), whose sum is σ = 19599128640. Its totient is φ = 3253709520.

The previous prime is 9780346421. The next prime is 9780346469. The reversal of 9780346434 is 4346430879.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598182 + ... + 1604289.

It is an arithmetic number, because the mean of its divisors is an integer number (1224945540).

Almost surely, 2^9780346434 is an apocalyptic number.

9780346434 is an abundant number, since it is smaller than the sum of its proper divisors (9818782206).

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

9780346434 is a wasteful number, since it uses less digits than its factorization.

9780346434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202985.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 9780346434 is about 98895.6340492339. The cubic root of 9780346434 is about 2138.5434548073.

The spelling of 9780346434 in words is "nine billion, seven hundred eighty million, three hundred forty-six thousand, four hundred thirty-four".