3478965 has 32 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 1496064.

The previous prime is 3478949. The next prime is 3478991. The reversal of 3478965 is 5698743.

It is a happy number.

It is not a de Polignac number, because 3478965 - 2⁴ = 3478949 is a prime.

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

3478965 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

Almost surely, 2^3478965 is an apocalyptic number.

3478965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3478965 is a deficient number, since it is larger than the sum of its proper divisors (3260235).

3478965 is a wasteful number, since it uses less digits than its factorization.

3478965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its digits is 181440, while the sum is 42.

The square root of 3478965 is about 1865.1983808700. The cubic root of 3478965 is about 151.5246722118.

The spelling of 3478965 in words is "three million, four hundred seventy-eight thousand, nine hundred sixty-five".