3654800028 has 60 divisors (see below), whose sum is σ = 10422958392. Its totient is φ = 1107514080.

The previous prime is 3654800011. The next prime is 3654800053. The reversal of 3654800028 is 8200084563.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3654799965 and 3654800001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 509175 + ... + 516302.

Almost surely, 2^3654800028 is an apocalyptic number.

It is an amenable number.

3654800028 is an abundant number, since it is smaller than the sum of its proper divisors (6768158364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3654800028 is a wasteful number, since it uses less digits than its factorization.

3654800028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025504 (or 1025493 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 3654800028 is about 60454.9421304826. The cubic root of 3654800028 is about 1540.3563615624.

The spelling of 3654800028 in words is "three billion, six hundred fifty-four million, eight hundred thousand, twenty-eight".