38146972 has 12 divisors (see below), whose sum is σ = 69659856. Its totient is φ = 18244160.

The previous prime is 38146961. The next prime is 38146987. The reversal of 38146972 is 27964183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207229 + ... + 207412.

It is an arithmetic number, because the mean of its divisors is an integer number (5804988).

Almost surely, 2^38146972 is an apocalyptic number.

It is an amenable number.

38146972 is a deficient number, since it is larger than the sum of its proper divisors (31512884).

38146972 is a wasteful number, since it uses less digits than its factorization.

38146972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414668 (or 414666 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 38146972 is about 6176.3235018901. The cubic root of 38146972 is about 336.6304183871.

The spelling of 38146972 in words is "thirty-eight million, one hundred forty-six thousand, nine hundred seventy-two".