1384451616 has 48 divisors (see below), whose sum is σ = 3680208000. Its totient is φ = 455639808.

The previous prime is 1384451611. The next prime is 1384451647. The reversal of 1384451616 is 6161544831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1384451616² = 3833412554090022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1384451611) 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, 83691 + ... + 98858.

It is an arithmetic number, because the mean of its divisors is an integer number (76671000).

Almost surely, 2^1384451616 is an apocalyptic number.

1384451616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1384451616 is an abundant number, since it is smaller than the sum of its proper divisors (2295756384).

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

1384451616 is a wasteful number, since it uses less digits than its factorization.

1384451616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182641 (or 182633 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1384451616 is about 37208.2197370420. The cubic root of 1384451616 is about 1114.5321331977.

The spelling of 1384451616 in words is "one billion, three hundred eighty-four million, four hundred fifty-one thousand, six hundred sixteen".