1376604216 has 96 divisors (see below), whose sum is σ = 4070298960. Its totient is φ = 417747456.

The previous prime is 1376604209. The next prime is 1376604217. The reversal of 1376604216 is 6124066731.

It is a happy number.

1376604216 is a `hidden beast` number, since 1 + 37 + 6 + 604 + 2 + 16 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376604217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58255 + ... + 78401.

Almost surely, 2^1376604216 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 1376604216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035149480).

1376604216 is an abundant number, since it is smaller than the sum of its proper divisors (2693694744).

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

1376604216 is a wasteful number, since it uses less digits than its factorization.

1376604216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1376604216 is about 37102.6173739805. The cubic root of 1376604216 is about 1112.4223310840.

The spelling of 1376604216 in words is "one billion, three hundred seventy-six million, six hundred four thousand, two hundred sixteen".