1139616 has 48 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 379584.

The previous prime is 1139587. The next prime is 1139623. The reversal of 1139616 is 6169311.

1139616 is a `hidden beast` number, since 11 + 39 + 616 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1139616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^1139616 is an apocalyptic number.

1139616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663200).

1139616 is an abundant number, since it is smaller than the sum of its proper divisors (2186784).

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

1139616 is a wasteful number, since it uses less digits than its factorization.

1139616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1324 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1139616 is about 1067.5279855816. The cubic root of 1139616 is about 104.4526620297.

The spelling of 1139616 in words is "one million, one hundred thirty-nine thousand, six hundred sixteen".