3946045 has 8 divisors (see below), whose sum is σ = 4851000. Its totient is φ = 3079680.

The previous prime is 3946039. The next prime is 3946051. The reversal of 3946045 is 5406493.

It is an interprime number because it is at equal distance from previous prime (3946039) and next prime (3946051).

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 3790809 = 394^2 + 1947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3946045 - 2³ = 3946037 is a prime.

It is a super-2 number, since 2×3946045² = 31142542284050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3945998 and 3946016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9420 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (606375).

Almost surely, 2^3946045 is an apocalyptic number.

It is an amenable number.

3946045 is a deficient number, since it is larger than the sum of its proper divisors (904955).

3946045 is a wasteful number, since it uses less digits than its factorization.

3946045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3946045 is about 1986.4654540163. The cubic root of 3946045 is about 158.0231366001.

The spelling of 3946045 in words is "three million, nine hundred forty-six thousand, forty-five".