38491130 has 8 divisors (see below), whose sum is σ = 69284052. Its totient is φ = 15396448.

The previous prime is 38491127. The next prime is 38491133. The reversal of 38491130 is 3119483.

It is an interprime number because it is at equal distance from previous prime (38491127) and next prime (38491133).

It can be written as a sum of positive squares in 2 ways, for example, as 36638809 + 1852321 = 6053^2 + 1361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38491093 and 38491102.

It is not an unprimeable number, because it can be changed into a prime (38491133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924547 + ... + 1924566.

Almost surely, 2^38491130 is an apocalyptic number.

38491130 is a deficient number, since it is larger than the sum of its proper divisors (30792922).

38491130 is a wasteful number, since it uses less digits than its factorization.

38491130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849120.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 38491130 is about 6204.1220168530. The cubic root of 38491130 is about 337.6397372889.

The spelling of 38491130 in words is "thirty-eight million, four hundred ninety-one thousand, one hundred thirty".