655920246 has 8 divisors (see below), whose sum is σ = 1311840504. Its totient is φ = 218640080.

The previous prime is 655920241. The next prime is 655920247. The reversal of 655920246 is 642029556.

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

655920246 is an admirable number.

It is a super-2 number, since 2×655920246² = 860462738225401032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655920241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54660015 + ... + 54660026.

It is an arithmetic number, because the mean of its divisors is an integer number (163980063).

Almost surely, 2^655920246 is an apocalyptic number.

655920246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655920246 is a wasteful number, since it uses less digits than its factorization.

655920246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109320046.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 655920246 is about 25610.9399671312. The cubic root of 655920246 is about 868.8610833510.

The spelling of 655920246 in words is "six hundred fifty-five million, nine hundred twenty thousand, two hundred forty-six".