836402112 has 392 divisors, whose sum is σ = 3078272736. Its totient is φ = 219469824.

The previous prime is 836402093. The next prime is 836402117. The reversal of 836402112 is 211204638.

836402112 is a `hidden beast` number, since 8 + 3 + 640 + 2 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836402117) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4245598 + ... + 4245794.

Almost surely, 2^836402112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836402112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539136368).

836402112 is an abundant number, since it is smaller than the sum of its proper divisors (2241870624).

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

836402112 is a wasteful number, since it uses less digits than its factorization.

836402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 836402112 is about 28920.6174207952. The cubic root of 836402112 is about 942.1897463524.

The spelling of 836402112 in words is "eight hundred thirty-six million, four hundred two thousand, one hundred twelve".