3478003 has 4 divisors (see below), whose sum is σ = 3489640. Its totient is φ = 3466368.

The previous prime is 3477977. The next prime is 3478009. The reversal of 3478003 is 3008743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3478003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5358 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (872410).

Almost surely, 2^3478003 is an apocalyptic number.

3478003 is a deficient number, since it is larger than the sum of its proper divisors (11637).

3478003 is a wasteful number, since it uses less digits than its factorization.

3478003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3478003 is about 1864.9404816240. The cubic root of 3478003 is about 151.5107044396.

The spelling of 3478003 in words is "three million, four hundred seventy-eight thousand, three".