36999648 has 72 divisors (see below), whose sum is σ = 120255408. Its totient is φ = 10570752.

The previous prime is 36999643. The next prime is 36999649. The reversal of 36999648 is 84699963.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 36999594 and 36999603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36999643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7161 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (1670214).

Almost surely, 2^36999648 is an apocalyptic number.

It is an amenable number.

36999648 is an abundant number, since it is smaller than the sum of its proper divisors (83255760).

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

36999648 is a wasteful number, since it uses less digits than its factorization.

36999648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376 (or 18365 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 36999648 is about 6082.7335960076. The cubic root of 36999648 is about 333.2211284567.

The spelling of 36999648 in words is "thirty-six million, nine hundred ninety-nine thousand, six hundred forty-eight".