14157620 has 24 divisors (see below), whose sum is σ = 30141384. Its totient is φ = 5584896.

The previous prime is 14157599. The next prime is 14157631. The reversal of 14157620 is 2675141.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 13868176 = 538^2 + 3724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14157620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 6308.

It is an arithmetic number, because the mean of its divisors is an integer number (1255891).

Almost surely, 2^14157620 is an apocalyptic number.

14157620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14157620 is an abundant number, since it is smaller than the sum of its proper divisors (15983764).

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

14157620 is a wasteful number, since it uses less digits than its factorization.

14157620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779 (or 9777 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 14157620 is about 3762.6612922239. The cubic root of 14157620 is about 241.9153450228.

The spelling of 14157620 in words is "fourteen million, one hundred fifty-seven thousand, six hundred twenty".