37828139 has 4 divisors (see below), whose sum is σ = 37853424. Its totient is φ = 37802856.

The previous prime is 37828127. The next prime is 37828181. The reversal of 37828139 is 93182873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 37828139 - 2¹⁶ = 37762603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37828096 and 37828105.

It is not an unprimeable number, because it can be changed into a prime (37821139) 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 3 ways as a sum of consecutive naturals, for example, 10247 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (9463356).

Almost surely, 2^37828139 is an apocalyptic number.

37828139 is a deficient number, since it is larger than the sum of its proper divisors (25285).

37828139 is a wasteful number, since it uses less digits than its factorization.

37828139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25284.

The product of its digits is 72576, while the sum is 41.

The square root of 37828139 is about 6150.4584381979. The cubic root of 37828139 is about 335.6899391859.

The spelling of 37828139 in words is "thirty-seven million, eight hundred twenty-eight thousand, one hundred thirty-nine".