38493445 has 8 divisors (see below), whose sum is σ = 46225440. Its totient is φ = 30772560.

The previous prime is 38493437. The next prime is 38493473. The reversal of 38493445 is 54439483.

It is a happy number.

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

It is not a de Polignac number, because 38493445 - 2³ = 38493437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38493398 and 38493407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12246 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (5778180).

Almost surely, 2^38493445 is an apocalyptic number.

It is an amenable number.

38493445 is a deficient number, since it is larger than the sum of its proper divisors (7731995).

38493445 is a wasteful number, since it uses less digits than its factorization.

38493445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

The product of its digits is 207360, while the sum is 40.

The square root of 38493445 is about 6204.3085835571. The cubic root of 38493445 is about 337.6465061239.

The spelling of 38493445 in words is "thirty-eight million, four hundred ninety-three thousand, four hundred forty-five".