242613886 has 4 divisors (see below), whose sum is σ = 363920832. Its totient is φ = 121306942.

The previous prime is 242613881. The next prime is 242613923. The reversal of 242613886 is 688316242.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×242613886² = 117722995360041992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242613881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60653470 + ... + 60653473.

It is an arithmetic number, because the mean of its divisors is an integer number (90980208).

Almost surely, 2^242613886 is an apocalyptic number.

242613886 is a deficient number, since it is larger than the sum of its proper divisors (121306946).

242613886 is a wasteful number, since it uses less digits than its factorization.

242613886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121306945.

The product of its digits is 110592, while the sum is 40.

The square root of 242613886 is about 15576.0677322616. The cubic root of 242613886 is about 623.6944575130.

The spelling of 242613886 in words is "two hundred forty-two million, six hundred thirteen thousand, eight hundred eighty-six".