830406945 has 16 divisors (see below), whose sum is σ = 1329020352. Its totient is φ = 442760640.

The previous prime is 830406937. The next prime is 830406953. The reversal of 830406945 is 549604038.

It is an interprime number because it is at equal distance from previous prime (830406937) and next prime (830406953).

It is not a de Polignac number, because 830406945 - 2³ = 830406937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81294 + ... + 90936.

It is an arithmetic number, because the mean of its divisors is an integer number (83063772).

Almost surely, 2^830406945 is an apocalyptic number.

It is an amenable number.

830406945 is a deficient number, since it is larger than the sum of its proper divisors (498613407).

830406945 is a wasteful number, since it uses less digits than its factorization.

830406945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 830406945 is about 28816.7823498738. The cubic root of 830406945 is about 939.9332022098.

The spelling of 830406945 in words is "eight hundred thirty million, four hundred six thousand, nine hundred forty-five".