3907445 has 8 divisors (see below), whose sum is σ = 4935840. Its totient is φ = 2961360.

The previous prime is 3907441. The next prime is 3907481. The reversal of 3907445 is 5447093.

3907445 = T₂₃₈ + T₂₃₉ + ... + T₃₃₂.

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

It is not a de Polignac number, because 3907445 - 2² = 3907441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3907441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20471 + ... + 20660.

It is an arithmetic number, because the mean of its divisors is an integer number (616980).

Almost surely, 2^3907445 is an apocalyptic number.

It is an amenable number.

3907445 is a deficient number, since it is larger than the sum of its proper divisors (1028395).

3907445 is a wasteful number, since it uses less digits than its factorization.

3907445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41155.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3907445 is about 1976.7258282321. The cubic root of 3907445 is about 157.5061893931.

The spelling of 3907445 in words is "three million, nine hundred seven thousand, four hundred forty-five".