28992950 has 24 divisors (see below), whose sum is σ = 61631472. Its totient is φ = 9940320.

The previous prime is 28992947. The next prime is 28992983. The reversal of 28992950 is 5929982.

It is a super-2 number, since 2×28992950² = 1681182299405000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41069 + ... + 41768.

It is an arithmetic number, because the mean of its divisors is an integer number (2567978).

Almost surely, 2^28992950 is an apocalyptic number.

28992950 is an abundant number, since it is smaller than the sum of its proper divisors (32638522).

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

28992950 is a wasteful number, since it uses less digits than its factorization.

28992950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82856 (or 82851 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 28992950 is about 5384.5101912802. The cubic root of 28992950 is about 307.2067841904.

It can be divided in two parts, 289 and 92950, that added together give a palindrome (93239).

The spelling of 28992950 in words is "twenty-eight million, nine hundred ninety-two thousand, nine hundred fifty".