290152650 has 24 divisors (see below), whose sum is σ = 719578944. Its totient is φ = 77374000.

The previous prime is 290152633. The next prime is 290152657. The reversal of 290152650 is 56251092.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (290152657) 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, 967026 + ... + 967325.

It is an arithmetic number, because the mean of its divisors is an integer number (29982456).

Almost surely, 2^290152650 is an apocalyptic number.

290152650 is an abundant number, since it is smaller than the sum of its proper divisors (429426294).

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

290152650 is a wasteful number, since it uses less digits than its factorization.

290152650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934366 (or 1934361 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 290152650 is about 17033.8677346045. The cubic root of 290152650 is about 662.0267131117.

The spelling of 290152650 in words is "two hundred ninety million, one hundred fifty-two thousand, six hundred fifty".