863492442 has 16 divisors (see below), whose sum is σ = 1735665600. Its totient is φ = 286384032.

The previous prime is 863492437. The next prime is 863492447. The reversal of 863492442 is 244294368.

It is an interprime number because it is at equal distance from previous prime (863492437) and next prime (863492447).

It is a super-2 number, since 2×863492442² = 1491238394782246728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 863492394 and 863492403.

It is not an unprimeable number, because it can be changed into a prime (863492447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360403 + ... + 362790.

It is an arithmetic number, because the mean of its divisors is an integer number (108479100).

Almost surely, 2^863492442 is an apocalyptic number.

863492442 is an abundant number, since it is smaller than the sum of its proper divisors (872173158).

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

863492442 is a wasteful number, since it uses less digits than its factorization.

863492442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723397.

The product of its digits is 331776, while the sum is 42.

The square root of 863492442 is about 29385.2419081416. The cubic root of 863492442 is about 952.2540904577.

The spelling of 863492442 in words is "eight hundred sixty-three million, four hundred ninety-two thousand, four hundred forty-two".