836534790 has 336 divisors, whose sum is σ = 2822668128. Its totient is φ = 174680064.

The previous prime is 836534729. The next prime is 836534801. The reversal of 836534790 is 97435638.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 8624022 + ... + 8624118.

It is an arithmetic number, because the mean of its divisors is an integer number (8400798).

Almost surely, 2^836534790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836534790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411334064).

836534790 is an abundant number, since it is smaller than the sum of its proper divisors (1986133338).

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

836534790 is a wasteful number, since it uses less digits than its factorization.

836534790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 836534790 is about 28922.9111605315. The cubic root of 836534790 is about 942.2395633961.

The spelling of 836534790 in words is "eight hundred thirty-six million, five hundred thirty-four thousand, seven hundred ninety".