4072436 has 6 divisors (see below), whose sum is σ = 7126770. Its totient is φ = 2036216.

The previous prime is 4072433. The next prime is 4072447. The reversal of 4072436 is 6342704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 48400 = 2006^2 + 220^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072433) 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 as a sum of consecutive naturals, namely, 509051 + ... + 509058.

It is an arithmetic number, because the mean of its divisors is an integer number (1187795).

Almost surely, 2^4072436 is an apocalyptic number.

It is an amenable number.

4072436 is a deficient number, since it is larger than the sum of its proper divisors (3054334).

4072436 is a wasteful number, since it uses less digits than its factorization.

4072436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018113 (or 1018111 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 4072436 is about 2018.0277500570. The cubic root of 4072436 is about 159.6925868187.

The spelling of 4072436 in words is "four million, seventy-two thousand, four hundred thirty-six".