38740434 has 8 divisors (see below), whose sum is σ = 77480880. Its totient is φ = 12913476.

The previous prime is 38740417. The next prime is 38740459. The reversal of 38740434 is 43404783.

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

38740434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 38740395 and 38740404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3228364 + ... + 3228375.

It is an arithmetic number, because the mean of its divisors is an integer number (9685110).

Almost surely, 2^38740434 is an apocalyptic number.

38740434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38740434 is a wasteful number, since it uses less digits than its factorization.

38740434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456744.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 38740434 is about 6224.1813919583. The cubic root of 38740434 is about 338.3671244099.

The spelling of 38740434 in words is "thirty-eight million, seven hundred forty thousand, four hundred thirty-four".