861535034 has 8 divisors (see below), whose sum is σ = 1316685780. Its totient is φ = 422639776.

The previous prime is 861535013. The next prime is 861535063. The reversal of 861535034 is 430535168.

It can be written as a sum of positive squares in 2 ways, for example, as 855270025 + 6265009 = 29245^2 + 2503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×861535034² = 1484485229618762312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 861534985 and 861535003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4063739 + ... + 4063950.

Almost surely, 2^861535034 is an apocalyptic number.

861535034 is a deficient number, since it is larger than the sum of its proper divisors (455150746).

861535034 is a wasteful number, since it uses less digits than its factorization.

861535034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127744.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 861535034 is about 29351.9170413109. The cubic root of 861535034 is about 951.5340069565.

The spelling of 861535034 in words is "eight hundred sixty-one million, five hundred thirty-five thousand, thirty-four".