87244246 has 8 divisors (see below), whose sum is σ = 131623344. Its totient is φ = 43369800.

The previous prime is 87244237. The next prime is 87244253. The reversal of 87244246 is 64244278.

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

It is a super-2 number, since 2×87244246² = 15223116920217032, which contains 22 as substring.

It is a congruent number.

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, 125730 + ... + 126421.

It is an arithmetic number, because the mean of its divisors is an integer number (16452918).

Almost surely, 2^87244246 is an apocalyptic number.

87244246 is a deficient number, since it is larger than the sum of its proper divisors (44379098).

87244246 is a wasteful number, since it uses less digits than its factorization.

87244246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252326.

The product of its digits is 86016, while the sum is 37.

The square root of 87244246 is about 9340.4628364980. The cubic root of 87244246 is about 443.5190359015.

The spelling of 87244246 in words is "eighty-seven million, two hundred forty-four thousand, two hundred forty-six".