38449934 has 4 divisors (see below), whose sum is σ = 57674904. Its totient is φ = 19224966.

The previous prime is 38449933. The next prime is 38449949. The reversal of 38449934 is 43994483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43994483 = 13 ⋅3384191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38449933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9612482 + ... + 9612485.

It is an arithmetic number, because the mean of its divisors is an integer number (14418726).

Almost surely, 2^38449934 is an apocalyptic number.

38449934 is a deficient number, since it is larger than the sum of its proper divisors (19224970).

38449934 is a wasteful number, since it uses less digits than its factorization.

38449934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19224969.

The product of its digits is 373248, while the sum is 44.

The square root of 38449934 is about 6200.8010772803. The cubic root of 38449934 is about 337.5192387753.

The spelling of 38449934 in words is "thirty-eight million, four hundred forty-nine thousand, nine hundred thirty-four".