288890046 has 24 divisors (see below), whose sum is σ = 627358680. Its totient is φ = 96076656.

The previous prime is 288890011. The next prime is 288890047. The reversal of 288890046 is 640098882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 288889983 and 288890010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288890047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10141 + ... + 26088.

It is an arithmetic number, because the mean of its divisors is an integer number (26139945).

Almost surely, 2^288890046 is an apocalyptic number.

288890046 is an abundant number, since it is smaller than the sum of its proper divisors (338468634).

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

288890046 is a wasteful number, since it uses less digits than its factorization.

288890046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36680 (or 36677 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 288890046 is about 16996.7657511657. The cubic root of 288890046 is about 661.0650434978.

The spelling of 288890046 in words is "two hundred eighty-eight million, eight hundred ninety thousand, forty-six".