860429649 has 32 divisors (see below), whose sum is σ = 1241170560. Its totient is φ = 528422400.

The previous prime is 860429593. The next prime is 860429657. The reversal of 860429649 is 946924068.

It is not a de Polignac number, because 860429649 - 2⁸ = 860429393 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 860429598 and 860429607.

It is not an unprimeable number, because it can be changed into a prime (860429749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1301379 + ... + 1302039.

It is an arithmetic number, because the mean of its divisors is an integer number (38786580).

Almost surely, 2^860429649 is an apocalyptic number.

It is an amenable number.

860429649 is a deficient number, since it is larger than the sum of its proper divisors (380740911).

860429649 is a wasteful number, since it uses less digits than its factorization.

860429649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 860429649 is about 29333.0811371734. The cubic root of 860429649 is about 951.1268803214.

The spelling of 860429649 in words is "eight hundred sixty million, four hundred twenty-nine thousand, six hundred forty-nine".