38250666 has 12 divisors (see below), whose sum is σ = 82876482. Its totient is φ = 12750216.

The previous prime is 38250661. The next prime is 38250671. The reversal of 38250666 is 66605283.

It is an interprime number because it is at equal distance from previous prime (38250661) and next prime (38250671).

It can be written as a sum of positive squares in only one way, i.e., 31640625 + 6610041 = 5625^2 + 2571^2 .

It is a super-2 number, since 2×38250666² = 2926226898887112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38250666.

It is not an unprimeable number, because it can be changed into a prime (38250661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1062501 + ... + 1062536.

Almost surely, 2^38250666 is an apocalyptic number.

38250666 is an abundant number, since it is smaller than the sum of its proper divisors (44625816).

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

38250666 is a wasteful number, since it uses less digits than its factorization.

38250666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125045 (or 2125042 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 38250666 is about 6184.7122811009. The cubic root of 38250666 is about 336.9351605628.

The spelling of 38250666 in words is "thirty-eight million, two hundred fifty thousand, six hundred sixty-six".