38436742 has 4 divisors (see below), whose sum is σ = 57655116. Its totient is φ = 19218370.

The previous prime is 38436737. The next prime is 38436767. The reversal of 38436742 is 24763483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24763483 = 101 ⋅245183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9609184 + ... + 9609187.

It is an arithmetic number, because the mean of its divisors is an integer number (14413779).

Almost surely, 2^38436742 is an apocalyptic number.

38436742 is a deficient number, since it is larger than the sum of its proper divisors (19218374).

38436742 is a wasteful number, since it uses less digits than its factorization.

38436742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218373.

The product of its digits is 96768, while the sum is 37.

The square root of 38436742 is about 6199.7372524971. The cubic root of 38436742 is about 337.4806339139.

It can be divided in two parts, 3843 and 6742, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 38436742 in words is "thirty-eight million, four hundred thirty-six thousand, seven hundred forty-two".