3654699804 has 96 divisors (see below), whose sum is σ = 10928332800. Its totient is φ = 1034596800.

The previous prime is 3654699739. The next prime is 3654699871. The reversal of 3654699804 is 4089964563.

3654699804 is a `hidden beast` number, since 3 + 6 + 546 + 9 + 98 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60229 + ... + 104579.

It is an arithmetic number, because the mean of its divisors is an integer number (113836800).

Almost surely, 2^3654699804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654699804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5464166400).

3654699804 is an abundant number, since it is smaller than the sum of its proper divisors (7273632996).

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

3654699804 is a wasteful number, since it uses less digits than its factorization.

3654699804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44480 (or 44472 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 3654699804 is about 60454.1132099380. The cubic root of 3654699804 is about 1540.3422812584.

The spelling of 3654699804 in words is "three billion, six hundred fifty-four million, six hundred ninety-nine thousand, eight hundred four".