38743946 has 12 divisors (see below), whose sum is σ = 59504562. Its totient is φ = 18919656.

The previous prime is 38743927. The next prime is 38743961. The reversal of 38743946 is 64934783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 9853321 = 5375^2 + 3139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38743897 and 38743906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541 + ... + 8936.

Almost surely, 2^38743946 is an apocalyptic number.

38743946 is a deficient number, since it is larger than the sum of its proper divisors (20760616).

38743946 is a wasteful number, since it uses less digits than its factorization.

38743946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565 (or 10522 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 38743946 is about 6224.4635110184. The cubic root of 38743946 is about 338.3773489506.

The spelling of 38743946 in words is "thirty-eight million, seven hundred forty-three thousand, nine hundred forty-six".