3903345 has 24 divisors (see below), whose sum is σ = 6829056. Its totient is φ = 2062368.

The previous prime is 3903337. The next prime is 3903373. The reversal of 3903345 is 5433093.

It is not a de Polignac number, because 3903345 - 2³ = 3903337 is a prime.

It is a super-2 number, since 2×3903345² = 30472204378050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5374 + ... + 6056.

It is an arithmetic number, because the mean of its divisors is an integer number (284544).

Almost surely, 2^3903345 is an apocalyptic number.

It is an amenable number.

3903345 is a deficient number, since it is larger than the sum of its proper divisors (2925711).

3903345 is a wasteful number, since it uses less digits than its factorization.

3903345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 3903345 is about 1975.6884875911. The cubic root of 3903345 is about 157.4510808013.

The spelling of 3903345 in words is "three million, nine hundred three thousand, three hundred forty-five".