4045407 has 8 divisors (see below), whose sum is σ = 5568000. Its totient is φ = 2609880.

The previous prime is 4045399. The next prime is 4045417. The reversal of 4045407 is 7045404.

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

It is not a de Polignac number, because 4045407 - 2³ = 4045399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045417) 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, 21657 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (696000).

Almost surely, 2^4045407 is an apocalyptic number.

4045407 is a deficient number, since it is larger than the sum of its proper divisors (1522593).

4045407 is a wasteful number, since it uses less digits than its factorization.

4045407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43533.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4045407 is about 2011.3197160074. The cubic root of 4045407 is about 159.3385059079.

The spelling of 4045407 in words is "four million, forty-five thousand, four hundred seven".