36889440 has 96 divisors (see below), whose sum is σ = 132814080. Its totient is φ = 8431104.

The previous prime is 36889417. The next prime is 36889453. The reversal of 36889440 is 4498863.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 36889392 and 36889401.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^36889440 is an apocalyptic number.

36889440 is a gapful number since it is divisible by the number (30) 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 36889440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66407040).

36889440 is an abundant number, since it is smaller than the sum of its proper divisors (95924640).

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

36889440 is a wasteful number, since it uses less digits than its factorization.

36889440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004 (or 10996 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 36889440 is about 6073.6677551542. The cubic root of 36889440 is about 332.8899527246.

The spelling of 36889440 in words is "thirty-six million, eight hundred eighty-nine thousand, four hundred forty".