36509428 has 6 divisors (see below), whose sum is σ = 63891506. Its totient is φ = 18254712.

The previous prime is 36509411. The next prime is 36509467. The reversal of 36509428 is 82490563.

36509428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 51984 = 6038^2 + 228^2 .

It is a congruent number.

It is an unprimeable number.

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, 4563675 + ... + 4563682.

Almost surely, 2^36509428 is an apocalyptic number.

It is an amenable number.

36509428 is a deficient number, since it is larger than the sum of its proper divisors (27382078).

36509428 is a wasteful number, since it uses less digits than its factorization.

36509428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127361 (or 9127359 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 36509428 is about 6042.3032032496. The cubic root of 36509428 is about 331.7429301435.

The spelling of 36509428 in words is "thirty-six million, five hundred nine thousand, four hundred twenty-eight".