38405763 has 18 divisors (see below), whose sum is σ = 60978372. Its totient is φ = 23275560.

The previous prime is 38405753. The next prime is 38405767. The reversal of 38405763 is 36750483.

It is a happy number.

38405763 is a `hidden beast` number, since 3 + 84 + 0 + 576 + 3 = 666.

It is not a de Polignac number, because 38405763 - 2¹⁰ = 38404739 is a prime.

It is a super-2 number, since 2×38405763² = 2950005263224338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38405767) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16545 + ... + 18722.

Almost surely, 2^38405763 is an apocalyptic number.

38405763 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38405763 is a deficient number, since it is larger than the sum of its proper divisors (22572609).

38405763 is a wasteful number, since it uses less digits than its factorization.

38405763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35295 (or 35281 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 38405763 is about 6197.2383365496. The cubic root of 38405763 is about 337.3899427155.

The spelling of 38405763 in words is "thirty-eight million, four hundred five thousand, seven hundred sixty-three".