4140621 has 24 divisors (see below), whose sum is σ = 6342336. Its totient is φ = 2597760.

The previous prime is 4140611. The next prime is 4140623. The reversal of 4140621 is 1260414.

4140621 is a `hidden beast` number, since 4 + 1 + 40 + 621 = 666.

It is not a de Polignac number, because 4140621 - 2⁵ = 4140589 is a prime.

4140621 is a modest number, since divided by 621 gives 414 as remainder.

4140621 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4140594 and 4140603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17061 + ... + 17301.

It is an arithmetic number, because the mean of its divisors is an integer number (264264).

Almost surely, 2^4140621 is an apocalyptic number.

It is an amenable number.

4140621 is a deficient number, since it is larger than the sum of its proper divisors (2201715).

4140621 is a wasteful number, since it uses less digits than its factorization.

4140621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4140621 is about 2034.8515916400. The cubic root of 4140621 is about 160.5789055056.

It can be divided in two parts, 4140 and 621, that added together give a square (4761 = 69²).

The spelling of 4140621 in words is "four million, one hundred forty thousand, six hundred twenty-one".