243496942 has 16 divisors (see below), whose sum is σ = 401712192. Its totient is φ = 109991520.

The previous prime is 243496931. The next prime is 243496949. The reversal of 243496942 is 249694342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243496949) 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, 98409 + ... + 100852.

It is an arithmetic number, because the mean of its divisors is an integer number (25107012).

Almost surely, 2^243496942 is an apocalyptic number.

243496942 is a deficient number, since it is larger than the sum of its proper divisors (158215250).

243496942 is a wasteful number, since it uses less digits than its factorization.

243496942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199323.

The product of its digits is 373248, while the sum is 43.

The square root of 243496942 is about 15604.3885493793. The cubic root of 243496942 is about 624.4502404048.

The spelling of 243496942 in words is "two hundred forty-three million, four hundred ninety-six thousand, nine hundred forty-two".