239867061 has 8 divisors (see below), whose sum is σ = 365511744. Its totient is φ = 137066880.

The previous prime is 239867053. The next prime is 239867063. The reversal of 239867061 is 160768932.

It is a happy number.

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

It is not a de Polignac number, because 239867061 - 2³ = 239867053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239867063) 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, 5711100 + ... + 5711141.

It is an arithmetic number, because the mean of its divisors is an integer number (45688968).

Almost surely, 2^239867061 is an apocalyptic number.

239867061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

239867061 is a deficient number, since it is larger than the sum of its proper divisors (125644683).

239867061 is a wasteful number, since it uses less digits than its factorization.

239867061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422251.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 239867061 is about 15487.6422027370. The cubic root of 239867061 is about 621.3317376701.

The spelling of 239867061 in words is "two hundred thirty-nine million, eight hundred sixty-seven thousand, sixty-one".