834815954 has 16 divisors (see below), whose sum is σ = 1431504576. Its totient is φ = 357680400.

The previous prime is 834815951. The next prime is 834815959. The reversal of 834815954 is 459518438.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 834815899 and 834815908.

It is not an unprimeable number, because it can be changed into a prime (834815951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72044 + ... + 82824.

It is an arithmetic number, because the mean of its divisors is an integer number (89469036).

Almost surely, 2^834815954 is an apocalyptic number.

834815954 is a deficient number, since it is larger than the sum of its proper divisors (596688622).

834815954 is a wasteful number, since it uses less digits than its factorization.

834815954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321.

The product of its digits is 691200, while the sum is 47.

The square root of 834815954 is about 28893.1817908655. The cubic root of 834815954 is about 941.5937780253.

The spelling of 834815954 in words is "eight hundred thirty-four million, eight hundred fifteen thousand, nine hundred fifty-four".