3658622604 has 384 divisors, whose sum is σ = 11714691072. Its totient is φ = 862202880.

The previous prime is 3658622599. The next prime is 3658622647. The reversal of 3658622604 is 4062268563.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 in 127 ways as a sum of consecutive naturals, for example, 28807989 + ... + 28808115.

It is an arithmetic number, because the mean of its divisors is an integer number (30507008).

Almost surely, 2^3658622604 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 3658622604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5857345536).

3658622604 is an abundant number, since it is smaller than the sum of its proper divisors (8056068468).

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

3658622604 is a wasteful number, since it uses less digits than its factorization.

3658622604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 3658622604 is about 60486.5489509858. The cubic root of 3658622604 is about 1540.8931969202.

The spelling of 3658622604 in words is "three billion, six hundred fifty-eight million, six hundred twenty-two thousand, six hundred four".