6924649 has 4 divisors (see below), whose sum is σ = 7163460. Its totient is φ = 6685840.

The previous prime is 6924641. The next prime is 6924667. The reversal of 6924649 is 9464296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1140624 + 5784025 = 1068^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 6924649 - 2³ = 6924641 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6924641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119362 + ... + 119419.

It is an arithmetic number, because the mean of its divisors is an integer number (1790865).

Almost surely, 2^6924649 is an apocalyptic number.

It is an amenable number.

6924649 is a deficient number, since it is larger than the sum of its proper divisors (238811).

6924649 is a wasteful number, since it uses less digits than its factorization.

6924649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238810.

The product of its digits is 93312, while the sum is 40.

The square root of 6924649 is about 2631.4727815427. The cubic root of 6924649 is about 190.6042535515.

The spelling of 6924649 in words is "six million, nine hundred twenty-four thousand, six hundred forty-nine".