867049438 has 32 divisors (see below), whose sum is σ = 1340428320. Its totient is φ = 420526080.

The previous prime is 867049369. The next prime is 867049441. The reversal of 867049438 is 834940768.

It is a super-2 number, since 2×867049438² = 1503549455872231688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 867049391 and 867049400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769970 + ... + 2770282.

It is an arithmetic number, because the mean of its divisors is an integer number (41888385).

Almost surely, 2^867049438 is an apocalyptic number.

867049438 is a deficient number, since it is larger than the sum of its proper divisors (473378882).

867049438 is a wasteful number, since it uses less digits than its factorization.

867049438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 867049438 is about 29445.7032179569. The cubic root of 867049438 is about 953.5598435100.

The spelling of 867049438 in words is "eight hundred sixty-seven million, forty-nine thousand, four hundred thirty-eight".