38142494 has 16 divisors (see below), whose sum is σ = 61719840. Its totient is φ = 17574240.

The previous prime is 38142473. The next prime is 38142527. The reversal of 38142494 is 49424183.

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, 23687 + ... + 25245.

It is an arithmetic number, because the mean of its divisors is an integer number (3857490).

Almost surely, 2^38142494 is an apocalyptic number.

38142494 is a deficient number, since it is larger than the sum of its proper divisors (23577346).

38142494 is a wasteful number, since it uses less digits than its factorization.

38142494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its digits is 27648, while the sum is 35.

The square root of 38142494 is about 6175.9609778560. The cubic root of 38142494 is about 336.6172457382.

It can be divided in two parts, 381 and 42494, that added together give a cube (42875 = 35³).

The spelling of 38142494 in words is "thirty-eight million, one hundred forty-two thousand, four hundred ninety-four".