646034435 has 24 divisors (see below), whose sum is σ = 797292720. Its totient is φ = 502480704.

The previous prime is 646034423. The next prime is 646034443. The reversal of 646034435 is 534430646.

It is not a de Polignac number, because 646034435 - 2²⁸ = 377598979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 646034395 and 646034404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2401481 + ... + 2401749.

It is an arithmetic number, because the mean of its divisors is an integer number (33220530).

Almost surely, 2^646034435 is an apocalyptic number.

646034435 is a deficient number, since it is larger than the sum of its proper divisors (151258285).

646034435 is a wasteful number, since it uses less digits than its factorization.

646034435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 646034435 is about 25417.2074587276. The cubic root of 646034435 is about 864.4739068761.

The spelling of 646034435 in words is "six hundred forty-six million, thirty-four thousand, four hundred thirty-five".