38434534 has 4 divisors (see below), whose sum is σ = 57651804. Its totient is φ = 19217266.

The previous prime is 38434531. The next prime is 38434537. The reversal of 38434534 is 43543483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43543483 = 131 ⋅332393.

It is an interprime number because it is at equal distance from previous prime (38434531) and next prime (38434537).

It is a self number, because there is not a number n which added to its sum of digits gives 38434534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38434531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9608632 + ... + 9608635.

It is an arithmetic number, because the mean of its divisors is an integer number (14412951).

Almost surely, 2^38434534 is an apocalyptic number.

38434534 is a deficient number, since it is larger than the sum of its proper divisors (19217270).

38434534 is a wasteful number, since it uses less digits than its factorization.

38434534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19217269.

The product of its digits is 69120, while the sum is 34.

The square root of 38434534 is about 6199.5591778771. The cubic root of 38434534 is about 337.4741715945.

The spelling of 38434534 in words is "thirty-eight million, four hundred thirty-four thousand, five hundred thirty-four".