290628012 has 24 divisors (see below), whose sum is σ = 680307376. Its totient is φ = 96565248.

The previous prime is 290628001. The next prime is 290628017. The reversal of 290628012 is 210826092.

It is not an unprimeable number, because it can be changed into a prime (290628017) 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, 34933 + ... + 42444.

Almost surely, 2^290628012 is an apocalyptic number.

It is an amenable number.

290628012 is an abundant number, since it is smaller than the sum of its proper divisors (389679364).

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

290628012 is a wasteful number, since it uses less digits than its factorization.

290628012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77697 (or 77695 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 290628012 is about 17047.8154612255. The cubic root of 290628012 is about 662.3880523791.

The spelling of 290628012 in words is "two hundred ninety million, six hundred twenty-eight thousand, twelve".