36538890 has 16 divisors (see below), whose sum is σ = 87693408. Its totient is φ = 9743696.

The previous prime is 36538867. The next prime is 36538891. The reversal of 36538890 is 9883563.

It is not an unprimeable number, because it can be changed into a prime (36538891) 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, 608952 + ... + 609011.

It is an arithmetic number, because the mean of its divisors is an integer number (5480838).

Almost surely, 2^36538890 is an apocalyptic number.

36538890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36538890 is an abundant number, since it is smaller than the sum of its proper divisors (51154518).

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

36538890 is a wasteful number, since it uses less digits than its factorization.

36538890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217973.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 36538890 is about 6044.7406892273. The cubic root of 36538890 is about 331.8321416419.

The spelling of 36538890 in words is "thirty-six million, five hundred thirty-eight thousand, eight hundred ninety".