4045437 has 32 divisors (see below), whose sum is σ = 6687360. Its totient is φ = 2396160.

The previous prime is 4045421. The next prime is 4045501. The reversal of 4045437 is 7345404.

It is not a de Polignac number, because 4045437 - 2⁴ = 4045421 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4045437.

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 31 ways as a sum of consecutive naturals, for example, 15613 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (208980).

Almost surely, 2^4045437 is an apocalyptic number.

It is an amenable number.

4045437 is a deficient number, since it is larger than the sum of its proper divisors (2641923).

4045437 is a wasteful number, since it uses less digits than its factorization.

4045437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4045437 is about 2011.3271737835. The cubic root of 4045437 is about 159.3388997820.

It can be divided in two parts, 404543 and 7, that added together give a triangular number (404550 = T₈₉₉).

The spelling of 4045437 in words is "four million, forty-five thousand, four hundred thirty-seven".