38497957 has 4 divisors (see below), whose sum is σ = 38516940. Its totient is φ = 38478976.

The previous prime is 38497951. The next prime is 38497967. The reversal of 38497957 is 75979483.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34175716 + 4322241 = 5846^2 + 2079^2 .

It is a cyclic number.

It is not a de Polignac number, because 38497957 - 2¹¹ = 38495909 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 (38497951) 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, 6028 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (9629235).

Almost surely, 2^38497957 is an apocalyptic number.

It is an amenable number.

38497957 is a deficient number, since it is larger than the sum of its proper divisors (18983).

38497957 is a wasteful number, since it uses less digits than its factorization.

38497957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982.

The product of its digits is 1905120, while the sum is 52.

The square root of 38497957 is about 6204.6721911798. The cubic root of 38497957 is about 337.6596979934.

The spelling of 38497957 in words is "thirty-eight million, four hundred ninety-seven thousand, nine hundred fifty-seven".