867397044 has 24 divisors (see below), whose sum is σ = 2130449440. Its totient is φ = 273914784.

The previous prime is 867397033. The next prime is 867397049. The reversal of 867397044 is 440793768.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 867396984 and 867397002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867397049) 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, 1901959 + ... + 1902414.

Almost surely, 2^867397044 is an apocalyptic number.

It is an amenable number.

867397044 is an abundant number, since it is smaller than the sum of its proper divisors (1263052396).

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

867397044 is a wasteful number, since it uses less digits than its factorization.

867397044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804399 (or 3804397 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 867397044 is about 29451.6051175483. The cubic root of 867397044 is about 953.6872560208.

The spelling of 867397044 in words is "eight hundred sixty-seven million, three hundred ninety-seven thousand, forty-four".