861337426 has 8 divisors (see below), whose sum is σ = 1297698480. Its totient is φ = 428771268.

The previous prime is 861337409. The next prime is 861337459. The reversal of 861337426 is 624733168.

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

It is a super-2 number, since 2×861337426² = 1483804322856610952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948156 + ... + 949063.

It is an arithmetic number, because the mean of its divisors is an integer number (162212310).

Almost surely, 2^861337426 is an apocalyptic number.

861337426 is a deficient number, since it is larger than the sum of its proper divisors (436361054).

861337426 is a wasteful number, since it uses less digits than its factorization.

861337426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897448.

The product of its digits is 145152, while the sum is 40.

The square root of 861337426 is about 29348.5506626818. The cubic root of 861337426 is about 951.4612511186.

The spelling of 861337426 in words is "eight hundred sixty-one million, three hundred thirty-seven thousand, four hundred twenty-six".