38499400 has 24 divisors (see below), whose sum is σ = 89511570. Its totient is φ = 15399680.

The previous prime is 38499379. The next prime is 38499403. The reversal of 38499400 is 499483.

It can be written as a sum of positive squares in 3 ways, for example, as 36072036 + 2427364 = 6006^2 + 1558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38499400.

It is not an unprimeable number, because it can be changed into a prime (38499403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 96049 + ... + 96448.

Almost surely, 2^38499400 is an apocalyptic number.

It is an amenable number.

38499400 is an abundant number, since it is smaller than the sum of its proper divisors (51012170).

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

38499400 is a wasteful number, since it uses less digits than its factorization.

38499400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192513 (or 192504 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 38499400 is about 6204.7884734292. The cubic root of 38499400 is about 337.6639167182.

The spelling of 38499400 in words is "thirty-eight million, four hundred ninety-nine thousand, four hundred".