1383609808 has 40 divisors (see below), whose sum is σ = 3113947520. Its totient is φ = 583251840.

The previous prime is 1383609797. The next prime is 1383609809. The reversal of 1383609808 is 8089063831.

It is a super-2 number, since 2×1383609808² = 3828752201587593728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383609809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94428 + ... + 108091.

It is an arithmetic number, because the mean of its divisors is an integer number (77848688).

Almost surely, 2^1383609808 is an apocalyptic number.

It is an amenable number.

1383609808 is an abundant number, since it is smaller than the sum of its proper divisors (1730337712).

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

1383609808 is a wasteful number, since it uses less digits than its factorization.

1383609808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202595 (or 202589 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1383609808 is about 37196.9058928293. The cubic root of 1383609808 is about 1114.3061924041.

The spelling of 1383609808 in words is "one billion, three hundred eighty-three million, six hundred nine thousand, eight hundred eight".