4047290 has 32 divisors (see below), whose sum is σ = 7934976. Its totient is φ = 1477440.

The previous prime is 4047283. The next prime is 4047299. The reversal of 4047290 is 927404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (4047299) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21095 + ... + 21285.

It is an arithmetic number, because the mean of its divisors is an integer number (247968).

Almost surely, 2^4047290 is an apocalyptic number.

4047290 is a deficient number, since it is larger than the sum of its proper divisors (3887686).

4047290 is a wasteful number, since it uses less digits than its factorization.

4047290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4047290 is about 2011.7877621658. The cubic root of 4047290 is about 159.3632242998.

The spelling of 4047290 in words is "four million, forty-seven thousand, two hundred ninety".