90290350 has 24 divisors (see below), whose sum is σ = 168190128. Its totient is φ = 36062400.

The previous prime is 90290303. The next prime is 90290351. The reversal of 90290350 is 5309209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90290351) 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, 65367 + ... + 66733.

It is an arithmetic number, because the mean of its divisors is an integer number (7007922).

Almost surely, 2^90290350 is an apocalyptic number.

90290350 is a deficient number, since it is larger than the sum of its proper divisors (77899778).

90290350 is a wasteful number, since it uses less digits than its factorization.

90290350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 90290350 is about 9502.1234468933. The cubic root of 90290350 is about 448.6218743315.

Adding to 90290350 its reverse (5309209), we get a palindrome (95599559).

The spelling of 90290350 in words is "ninety million, two hundred ninety thousand, three hundred fifty".