39980700 has 108 divisors (see below), whose sum is σ = 129450048. Its totient is φ = 10310400.

The previous prime is 39980687. The next prime is 39980711. The reversal of 39980700 is 708993.

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 35 ways as a sum of consecutive naturals, for example, 27184 + ... + 28616.

Almost surely, 2^39980700 is an apocalyptic number.

39980700 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 39980700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64725024).

39980700 is an abundant number, since it is smaller than the sum of its proper divisors (89469348).

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

39980700 is a wasteful number, since it uses less digits than its factorization.

39980700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 39980700 is about 6323.0293372718. The cubic root of 39980700 is about 341.9401762602.

The spelling of 39980700 in words is "thirty-nine million, nine hundred eighty thousand, seven hundred".