3340731 has 8 divisors (see below), whose sum is σ = 4467024. Its totient is φ = 2220800.

The previous prime is 3340723. The next prime is 3340747. The reversal of 3340731 is 1370433.

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

It is a cyclic number.

It is not a de Polignac number, because 3340731 - 2³ = 3340723 is a prime.

It is a super-2 number, since 2×3340731² = 22320967228722, which contains 22 as substring.

3340731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3340698 and 3340707.

It is not an unprimeable number, because it can be changed into a prime (3340331) 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, 186 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (558378).

Almost surely, 2^3340731 is an apocalyptic number.

3340731 is a deficient number, since it is larger than the sum of its proper divisors (1126293).

3340731 is a wasteful number, since it uses less digits than its factorization.

3340731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3340731 is about 1827.7666700102. The cubic root of 3340731 is about 149.4905830319.

The spelling of 3340731 in words is "three million, three hundred forty thousand, seven hundred thirty-one".