38360989 has 4 divisors (see below), whose sum is σ = 38886556. Its totient is φ = 37835424.

The previous prime is 38360969. The next prime is 38360999. The reversal of 38360989 is 98906383.

38360989 = T₄₇₉ + T₄₈₀ + ... + T₆₉₇.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98906383 = 199 ⋅497017.

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 31248100 = 2667^2 + 5590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38360989 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 (38360929) 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, 262674 + ... + 262819.

It is an arithmetic number, because the mean of its divisors is an integer number (9721639).

Almost surely, 2^38360989 is an apocalyptic number.

It is an amenable number.

38360989 is a deficient number, since it is larger than the sum of its proper divisors (525567).

38360989 is an equidigital number, since it uses as much as digits as its factorization.

38360989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525566.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 38360989 is about 6193.6248675553. The cubic root of 38360989 is about 337.2587803560.

The spelling of 38360989 in words is "thirty-eight million, three hundred sixty thousand, nine hundred eighty-nine".