38263730 has 8 divisors (see below), whose sum is σ = 68874732. Its totient is φ = 15305488.

The previous prime is 38263727. The next prime is 38263733. The reversal of 38263730 is 3736283.

It is an interprime number because it is at equal distance from previous prime (38263727) and next prime (38263733).

It can be written as a sum of positive squares in 2 ways, for example, as 37957921 + 305809 = 6161^2 + 553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38263730² = 2928226067025800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38263733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913177 + ... + 1913196.

Almost surely, 2^38263730 is an apocalyptic number.

38263730 is a deficient number, since it is larger than the sum of its proper divisors (30611002).

38263730 is a wasteful number, since it uses less digits than its factorization.

38263730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826380.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 38263730 is about 6185.7683435447. The cubic root of 38263730 is about 336.9735147527.

The spelling of 38263730 in words is "thirty-eight million, two hundred sixty-three thousand, seven hundred thirty".