834409450 has 48 divisors (see below), whose sum is σ = 1817008704. Its totient is φ = 279100800.

The previous prime is 834409441. The next prime is 834409451. The reversal of 834409450 is 54904438.

It is not an unprimeable number, because it can be changed into a prime (834409451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14724 + ... + 43423.

It is an arithmetic number, because the mean of its divisors is an integer number (37854348).

Almost surely, 2^834409450 is an apocalyptic number.

834409450 is an abundant number, since it is smaller than the sum of its proper divisors (982599254).

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

834409450 is a wasteful number, since it uses less digits than its factorization.

834409450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58207 (or 58202 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 834409450 is about 28886.1463334935. The cubic root of 834409450 is about 941.4409204686.

The spelling of 834409450 in words is "eight hundred thirty-four million, four hundred nine thousand, four hundred fifty".