290412768 has 48 divisors (see below), whose sum is σ = 807181200. Its totient is φ = 91109376.

The previous prime is 290412719. The next prime is 290412797. The reversal of 290412768 is 867214092.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87343 + ... + 90606.

It is an arithmetic number, because the mean of its divisors is an integer number (16816275).

Almost surely, 2^290412768 is an apocalyptic number.

It is an amenable number.

290412768 is an abundant number, since it is smaller than the sum of its proper divisors (516768432).

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

290412768 is a wasteful number, since it uses less digits than its factorization.

290412768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177979 (or 177971 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 290412768 is about 17041.5013423114. The cubic root of 290412768 is about 662.2244867438.

The spelling of 290412768 in words is "two hundred ninety million, four hundred twelve thousand, seven hundred sixty-eight".