38455742 has 16 divisors (see below), whose sum is σ = 63141792. Its totient is φ = 17457120.

The previous prime is 38455723. The next prime is 38455757. The reversal of 38455742 is 24755483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38455696 and 38455705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10538 + ... + 13709.

It is an arithmetic number, because the mean of its divisors is an integer number (3946362).

Almost surely, 2^38455742 is an apocalyptic number.

38455742 is a deficient number, since it is larger than the sum of its proper divisors (24686050).

38455742 is a wasteful number, since it uses less digits than its factorization.

38455742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24323.

The product of its digits is 134400, while the sum is 38.

The square root of 38455742 is about 6201.2693861822. The cubic root of 38455742 is about 337.5362324156.

The spelling of 38455742 in words is "thirty-eight million, four hundred fifty-five thousand, seven hundred forty-two".