3318739 has 8 divisors (see below), whose sum is σ = 3481632. Its totient is φ = 3157440.

The previous prime is 3318719. The next prime is 3318769. The reversal of 3318739 is 9378133.

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

It is not a de Polignac number, because 3318739 - 2¹³ = 3310547 is a prime.

It is a super-2 number, since 2×3318739² = 22028057100242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3318709) 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, 6969 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (435204).

Almost surely, 2^3318739 is an apocalyptic number.

3318739 is a deficient number, since it is larger than the sum of its proper divisors (162893).

3318739 is a wasteful number, since it uses less digits than its factorization.

3318739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its digits is 13608, while the sum is 34.

The square root of 3318739 is about 1821.7406511356. The cubic root of 3318739 is about 149.1618288885.

The spelling of 3318739 in words is "three million, three hundred eighteen thousand, seven hundred thirty-nine".