39474540 has 180 divisors, whose sum is σ = 143962896. Its totient is φ = 8869824.

The previous prime is 39474511. The next prime is 39474581. The reversal of 39474540 is 4547493.

39474540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a junction number, because it is equal to n+sod(n) for n = 39474495 and 39474504.

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 59 ways as a sum of consecutive naturals, for example, 669031 + ... + 669089.

Almost surely, 2^39474540 is an apocalyptic number.

39474540 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 39474540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71981448).

39474540 is an abundant number, since it is smaller than the sum of its proper divisors (104488356).

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

39474540 is a wasteful number, since it uses less digits than its factorization.

39474540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 39474540 is about 6282.8767296518. The cubic root of 39474540 is about 340.4910436426.

The spelling of 39474540 in words is "thirty-nine million, four hundred seventy-four thousand, five hundred forty".