38473866 has 40 divisors (see below), whose sum is σ = 87856164. Its totient is φ = 12579840.

The previous prime is 38473861. The next prime is 38473889. The reversal of 38473866 is 66837483.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 2653641 = 5985^2 + 1629^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38473861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6346 + ... + 10826.

Almost surely, 2^38473866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38473866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43928082).

38473866 is an abundant number, since it is smaller than the sum of its proper divisors (49382298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38473866 is a wasteful number, since it uses less digits than its factorization.

38473866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4539 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 38473866 is about 6202.7305277595. The cubic root of 38473866 is about 337.5892504701.

The spelling of 38473866 in words is "thirty-eight million, four hundred seventy-three thousand, eight hundred sixty-six".