38130437 has 4 divisors (see below), whose sum is σ = 38699616. Its totient is φ = 37561260.

The previous prime is 38130419. The next prime is 38130457. The reversal of 38130437 is 73403183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73403183 = 7 ⋅10486169.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38130437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38130457) 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, 284489 + ... + 284622.

It is an arithmetic number, because the mean of its divisors is an integer number (9674904).

Almost surely, 2^38130437 is an apocalyptic number.

It is an amenable number.

38130437 is a deficient number, since it is larger than the sum of its proper divisors (569179).

38130437 is an equidigital number, since it uses as much as digits as its factorization.

38130437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569178.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 38130437 is about 6174.9847773092. The cubic root of 38130437 is about 336.5817732994.

The spelling of 38130437 in words is "thirty-eight million, one hundred thirty thousand, four hundred thirty-seven".