24894890 has 16 divisors (see below), whose sum is σ = 45041832. Its totient is φ = 9906624.

The previous prime is 24894889. The next prime is 24894907. The reversal of 24894890 is 9849842.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21520321 + 3374569 = 4639^2 + 1837^2 .

It is a super-2 number, since 2×24894890² = 1239511096224200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 8288.

Almost surely, 2^24894890 is an apocalyptic number.

24894890 is a deficient number, since it is larger than the sum of its proper divisors (20146942).

24894890 is a wasteful number, since it uses less digits than its factorization.

24894890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12841.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 24894890 is about 4989.4779286013. The cubic root of 24894890 is about 291.9914068279.

The spelling of 24894890 in words is "twenty-four million, eight hundred ninety-four thousand, eight hundred ninety".