3634705 has 4 divisors (see below), whose sum is σ = 4361652. Its totient is φ = 2907760.

The previous prime is 3634699. The next prime is 3634717. The reversal of 3634705 is 5074363.

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 1993744 + 1640961 = 1412^2 + 1281^2 .

It is not a de Polignac number, because 3634705 - 2¹⁵ = 3601937 is a prime.

It is a super-2 number, since 2×3634705² = 26422160874050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 363466 + ... + 363475.

It is an arithmetic number, because the mean of its divisors is an integer number (1090413).

Almost surely, 2^3634705 is an apocalyptic number.

It is an amenable number.

3634705 is a deficient number, since it is larger than the sum of its proper divisors (726947).

3634705 is an equidigital number, since it uses as much as digits as its factorization.

3634705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726946.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3634705 is about 1906.4902307644. The cubic root of 3634705 is about 153.7528080215.

The spelling of 3634705 in words is "three million, six hundred thirty-four thousand, seven hundred five".