3141621 has 24 divisors (see below), whose sum is σ = 5301504. Its totient is φ = 1755360.

The previous prime is 3141601. The next prime is 3141641. The reversal of 3141621 is 1261413.

It is a happy number.

3141621 is a `hidden beast` number, since 3 + 1 + 41 + 621 = 666.

It is an interprime number because it is at equal distance from previous prime (3141601) and next prime (3141641).

It is not a de Polignac number, because 3141621 - 2⁶ = 3141557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3141594 and 3141603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141601) 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, 2431 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (220896).

Almost surely, 2^3141621 is an apocalyptic number.

It is an amenable number.

3141621 is a deficient number, since it is larger than the sum of its proper divisors (2159883).

3141621 is a wasteful number, since it uses less digits than its factorization.

3141621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1118 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3141621 is about 1772.4618472622. The cubic root of 3141621 is about 146.4596292524.

The spelling of 3141621 in words is "three million, one hundred forty-one thousand, six hundred twenty-one".