37985620 has 12 divisors (see below), whose sum is σ = 79769844. Its totient is φ = 15194240.

The previous prime is 37985611. The next prime is 37985657. The reversal of 37985620 is 2658973.

It can be written as a sum of positive squares in 2 ways, for example, as 12945604 + 25040016 = 3598^2 + 5004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949621 + ... + 949660.

It is an arithmetic number, because the mean of its divisors is an integer number (6647487).

Almost surely, 2^37985620 is an apocalyptic number.

It is an amenable number.

37985620 is an abundant number, since it is smaller than the sum of its proper divisors (41784224).

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

37985620 is a wasteful number, since it uses less digits than its factorization.

37985620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899290 (or 1899288 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 37985620 is about 6163.2475205852. The cubic root of 37985620 is about 336.1551272537.

The spelling of 37985620 in words is "thirty-seven million, nine hundred eighty-five thousand, six hundred twenty".