2106424 has 8 divisors (see below), whose sum is σ = 3949560. Its totient is φ = 1053208.

The previous prime is 2106421. The next prime is 2106427. The reversal of 2106424 is 4246012.

It is an interprime number because it is at equal distance from previous prime (2106421) and next prime (2106427).

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131644 + ... + 131659.

It is an arithmetic number, because the mean of its divisors is an integer number (493695).

2^2106424 is an apocalyptic number.

It is an amenable number.

2106424 is a deficient number, since it is larger than the sum of its proper divisors (1843136).

2106424 is a wasteful number, since it uses less digits than its factorization.

2106424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263309 (or 263305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2106424 is about 1451.3524726957. The cubic root of 2106424 is about 128.1883619976.

The spelling of 2106424 in words is "two million, one hundred six thousand, four hundred twenty-four".