867019494 has 64 divisors (see below), whose sum is σ = 1928199168. Its totient is φ = 257709600.

The previous prime is 867019493. The next prime is 867019537. The reversal of 867019494 is 494910768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867019493) 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, 892429 + ... + 893399.

It is an arithmetic number, because the mean of its divisors is an integer number (30128112).

Almost surely, 2^867019494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867019494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964099584).

867019494 is an abundant number, since it is smaller than the sum of its proper divisors (1061179674).

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

867019494 is a wasteful number, since it uses less digits than its factorization.

867019494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 867019494 is about 29445.1947522851. The cubic root of 867019494 is about 953.5488661565.

The spelling of 867019494 in words is "eight hundred sixty-seven million, nineteen thousand, four hundred ninety-four".