87946242 has 16 divisors (see below), whose sum is σ = 176070720. Its totient is φ = 29285712.

The previous prime is 87946237. The next prime is 87946247. The reversal of 87946242 is 24264978.

It is an interprime number because it is at equal distance from previous prime (87946237) and next prime (87946247).

It is a junction number, because it is equal to n+sod(n) for n = 87946194 and 87946203.

It is not an unprimeable number, because it can be changed into a prime (87946247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (11004420).

Almost surely, 2^87946242 is an apocalyptic number.

87946242 is an abundant number, since it is smaller than the sum of its proper divisors (88124478).

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

87946242 is a wasteful number, since it uses less digits than its factorization.

87946242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14857.

The product of its digits is 193536, while the sum is 42.

The square root of 87946242 is about 9377.9657708908. The cubic root of 87946242 is about 444.7054263903.

It can be divided in two parts, 87946 and 242, that added together give a palindrome (88188).

The spelling of 87946242 in words is "eighty-seven million, nine hundred forty-six thousand, two hundred forty-two".