38142790 has 16 divisors (see below), whose sum is σ = 78465312. Its totient is φ = 13077504.

The previous prime is 38142787. The next prime is 38142791. The reversal of 38142790 is 9724183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38142791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272379 + ... + 272518.

It is an arithmetic number, because the mean of its divisors is an integer number (4904082).

Almost surely, 2^38142790 is an apocalyptic number.

38142790 is an abundant number, since it is smaller than the sum of its proper divisors (40322522).

38142790 is a wasteful number, since it uses less digits than its factorization.

38142790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544911.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 38142790 is about 6175.9849416915. The cubic root of 38142790 is about 336.6181164945.

The spelling of 38142790 in words is "thirty-eight million, one hundred forty-two thousand, seven hundred ninety".