36901980 has 84 divisors (see below), whose sum is σ = 116233992. Its totient is φ = 9836640.

The previous prime is 36901979. The next prime is 36901993. The reversal of 36901980 is 8910963.

It is a super-2 number, since 2×36901980² = 2723512255840800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 27 ways as a sum of consecutive naturals, for example, 13315 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (1383738).

Almost surely, 2^36901980 is an apocalyptic number.

36901980 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 36901980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58116996).

36901980 is an abundant number, since it is smaller than the sum of its proper divisors (79332012).

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

36901980 is a wasteful number, since it uses less digits than its factorization.

36901980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 36901980 is about 6074.6999925922. The cubic root of 36901980 is about 332.9276687312.

The spelling of 36901980 in words is "thirty-six million, nine hundred one thousand, nine hundred eighty".