867049442 has 16 divisors (see below), whose sum is σ = 1488183360. Its totient is φ = 371139408.

The previous prime is 867049441. The next prime is 867049459. The reversal of 867049442 is 244940768.

It is a super-2 number, since 2×867049442² = 1503549469745022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 867049393 and 867049402.

It is not an unprimeable number, because it can be changed into a prime (867049441) 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, 25748 + ... + 48959.

It is an arithmetic number, because the mean of its divisors is an integer number (93011460).

Almost surely, 2^867049442 is an apocalyptic number.

867049442 is a deficient number, since it is larger than the sum of its proper divisors (621133918).

867049442 is a wasteful number, since it uses less digits than its factorization.

867049442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75545.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 867049442 is about 29445.7032858786. The cubic root of 867049442 is about 953.5598449764.

The spelling of 867049442 in words is "eight hundred sixty-seven million, forty-nine thousand, four hundred forty-two".