6924021 has 8 divisors (see below), whose sum is σ = 9942240. Its totient is φ = 4260912.

The previous prime is 6924019. The next prime is 6924023. The reversal of 6924021 is 1204296.

It is an interprime number because it is at equal distance from previous prime (6924019) and next prime (6924023).

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

It is not a de Polignac number, because 6924021 - 2¹ = 6924019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6923982 and 6924000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6924023) 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, 88731 + ... + 88808.

It is an arithmetic number, because the mean of its divisors is an integer number (1242780).

Almost surely, 2^6924021 is an apocalyptic number.

It is an amenable number.

6924021 is a deficient number, since it is larger than the sum of its proper divisors (3018219).

6924021 is a wasteful number, since it uses less digits than its factorization.

6924021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177555.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6924021 is about 2631.3534540232. The cubic root of 6924021 is about 190.5984913779.

It can be divided in two parts, 69 and 24021, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 6924021 in words is "six million, nine hundred twenty-four thousand, twenty-one".