39450500 has 24 divisors (see below), whose sum is σ = 86160984. Its totient is φ = 15780000.

The previous prime is 39450461. The next prime is 39450529. The reversal of 39450500 is 505493.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 35976004 = 1864^2 + 5998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39450500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38951 + ... + 39950.

It is an arithmetic number, because the mean of its divisors is an integer number (3590041).

Almost surely, 2^39450500 is an apocalyptic number.

It is an amenable number.

39450500 is an abundant number, since it is smaller than the sum of its proper divisors (46710484).

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

39450500 is a wasteful number, since it uses less digits than its factorization.

39450500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78920 (or 78908 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 39450500 is about 6280.9633019148. The cubic root of 39450500 is about 340.4219099099.

Adding to 39450500 its reverse (505493), we get a palindrome (39955993).

The spelling of 39450500 in words is "thirty-nine million, four hundred fifty thousand, five hundred".