13824490 has 8 divisors (see below), whose sum is σ = 24884100. Its totient is φ = 5529792.

The previous prime is 13824487. The next prime is 13824511. The reversal of 13824490 is 9442831.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 582169 = 3639^2 + 763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13824490² = 382233047520200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691215 + ... + 691234.

Almost surely, 2^13824490 is an apocalyptic number.

13824490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13824490 is a deficient number, since it is larger than the sum of its proper divisors (11059610).

13824490 is a wasteful number, since it uses less digits than its factorization.

13824490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382456.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13824490 is about 3718.1299062835. The cubic root of 13824490 is about 240.0028356146.

The spelling of 13824490 in words is "thirteen million, eight hundred twenty-four thousand, four hundred ninety".