2076921 has 56 divisors (see below), whose sum is σ = 3987264. Its totient is φ = 1049760.

The previous prime is 2076917. The next prime is 2076929. The reversal of 2076921 is 1296702.

It is not a de Polignac number, because 2076921 - 2² = 2076917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076929) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 56115 + ... + 56151.

2^2076921 is an apocalyptic number.

2076921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2076921 is a deficient number, since it is larger than the sum of its proper divisors (1910343).

2076921 is an equidigital number, since it uses as much as digits as its factorization.

2076921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2076921 is about 1441.1526636689. The cubic root of 2076921 is about 127.5870685558.

The spelling of 2076921 in words is "two million, seventy-six thousand, nine hundred twenty-one".