290102628 has 48 divisors (see below), whose sum is σ = 686568960. Its totient is φ = 95330304.

The previous prime is 290102627. The next prime is 290102647. The reversal of 290102628 is 826201092.

It is a junction number, because it is equal to n+sod(n) for n = 290102595 and 290102604.

It is not an unprimeable number, because it can be changed into a prime (290102623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 335725 + ... + 336587.

It is an arithmetic number, because the mean of its divisors is an integer number (14303520).

Almost surely, 2^290102628 is an apocalyptic number.

It is an amenable number.

290102628 is an abundant number, since it is smaller than the sum of its proper divisors (396466332).

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

290102628 is a wasteful number, since it uses less digits than its factorization.

290102628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

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

The square root of 290102628 is about 17032.3993612174. The cubic root of 290102628 is about 661.9886666978.

The spelling of 290102628 in words is "two hundred ninety million, one hundred two thousand, six hundred twenty-eight".