39474900 has 108 divisors (see below), whose sum is σ = 129179232. Its totient is φ = 10063680.

The previous prime is 39474889. The next prime is 39474947. The reversal of 39474900 is 947493.

39474900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19747 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (1196104).

Almost surely, 2^39474900 is an apocalyptic number.

39474900 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 39474900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64589616).

39474900 is an abundant number, since it is smaller than the sum of its proper divisors (89704332).

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

39474900 is a wasteful number, since it uses less digits than its factorization.

39474900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39474900 is about 6282.9053788832. The cubic root of 39474900 is about 340.4920787098.

The spelling of 39474900 in words is "thirty-nine million, four hundred seventy-four thousand, nine hundred".