243961332 has 24 divisors (see below), whose sum is σ = 579985056. Its totient is φ = 79785888.

The previous prime is 243961327. The next prime is 243961337. The reversal of 243961332 is 233169342.

It is an interprime number because it is at equal distance from previous prime (243961327) and next prime (243961337).

It is a super-2 number, since 2×243961332² = 119034263022428448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243961293 and 243961302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243961337) 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, 191158 + ... + 192429.

It is an arithmetic number, because the mean of its divisors is an integer number (24166044).

Almost surely, 2^243961332 is an apocalyptic number.

It is an amenable number.

243961332 is an abundant number, since it is smaller than the sum of its proper divisors (336023724).

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

243961332 is a wasteful number, since it uses less digits than its factorization.

243961332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383647 (or 383645 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 243961332 is about 15619.2615702536. The cubic root of 243961332 is about 624.8469658386.

The spelling of 243961332 in words is "two hundred forty-three million, nine hundred sixty-one thousand, three hundred thirty-two".