2067621 has 8 divisors (see below), whose sum is σ = 2782560. Its totient is φ = 1365552.

The previous prime is 2067617. The next prime is 2067623. The reversal of 2067621 is 1267602.

It is a happy number.

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

It is not a de Polignac number, because 2067621 - 2² = 2067617 is a prime.

2067621 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2067591 and 2067600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067623) 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, 2835 + ... + 3488.

It is an arithmetic number, because the mean of its divisors is an integer number (347820).

2^2067621 is an apocalyptic number.

It is an amenable number.

2067621 is a deficient number, since it is larger than the sum of its proper divisors (714939).

2067621 is a wasteful number, since it uses less digits than its factorization.

2067621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2067621 is about 1437.9224596619. The cubic root of 2067621 is about 127.3963478996.

The spelling of 2067621 in words is "two million, sixty-seven thousand, six hundred twenty-one".