14391490 has 16 divisors (see below), whose sum is σ = 26163000. Its totient is φ = 5699200.

The previous prime is 14391473. The next prime is 14391497. The reversal of 14391490 is 9419341.

14391490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14356521 + 34969 = 3789^2 + 187^2 .

It is a super-2 number, since 2×14391490² = 414229968840200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14391497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6115 + ... + 8134.

Almost surely, 2^14391490 is an apocalyptic number.

14391490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14391490 is a deficient number, since it is larger than the sum of its proper divisors (11771510).

14391490 is a wasteful number, since it uses less digits than its factorization.

14391490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 14391490 is about 3793.6117355365. The cubic root of 14391490 is about 243.2401448799.

The spelling of 14391490 in words is "fourteen million, three hundred ninety-one thousand, four hundred ninety".