242196657 has 8 divisors (see below), whose sum is σ = 328223040. Its totient is φ = 158817360.

The previous prime is 242196649. The next prime is 242196701. The reversal of 242196657 is 756691242.

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

It is not a de Polignac number, because 242196657 - 2³ = 242196649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242196607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661557 + ... + 661922.

It is an arithmetic number, because the mean of its divisors is an integer number (41027880).

Almost surely, 2^242196657 is an apocalyptic number.

It is an amenable number.

242196657 is a deficient number, since it is larger than the sum of its proper divisors (86026383).

242196657 is a wasteful number, since it uses less digits than its factorization.

242196657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323543.

The product of its digits is 181440, while the sum is 42.

The square root of 242196657 is about 15562.6686978808. The cubic root of 242196657 is about 623.3367248585.

It can be divided in two parts, 24219 and 6657, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 242196657 in words is "two hundred forty-two million, one hundred ninety-six thousand, six hundred fifty-seven".