38077493 has 8 divisors (see below), whose sum is σ = 39835800. Its totient is φ = 36348928.

The previous prime is 38077483. The next prime is 38077499. The reversal of 38077493 is 39477083.

It can be written as a sum of positive squares in 4 ways, for example, as 2053489 + 36024004 = 1433^2 + 6002^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38077493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38077493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38077499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4796 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (4979475).

Almost surely, 2^38077493 is an apocalyptic number.

It is an amenable number.

38077493 is a deficient number, since it is larger than the sum of its proper divisors (1758307).

38077493 is a wasteful number, since it uses less digits than its factorization.

38077493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14871.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 38077493 is about 6170.6963140313. The cubic root of 38077493 is about 336.4259202081.

The spelling of 38077493 in words is "thirty-eight million, seventy-seven thousand, four hundred ninety-three".