2913685 has 4 divisors (see below), whose sum is σ = 3496428. Its totient is φ = 2330944.

The previous prime is 2913641. The next prime is 2913697. The reversal of 2913685 is 5863192.

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 956484 + 1957201 = 978^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2913685 - 2¹⁷ = 2782613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2913685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291364 + ... + 291373.

It is an arithmetic number, because the mean of its divisors is an integer number (874107).

2^2913685 is an apocalyptic number.

It is an amenable number.

2913685 is a deficient number, since it is larger than the sum of its proper divisors (582743).

2913685 is an equidigital number, since it uses as much as digits as its factorization.

2913685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582742.

The product of its digits is 12960, while the sum is 34.

The square root of 2913685 is about 1706.9519618314. The cubic root of 2913685 is about 142.8282777395.

The spelling of 2913685 in words is "two million, nine hundred thirteen thousand, six hundred eighty-five".