38764478 has 8 divisors (see below), whose sum is σ = 58442472. Its totient is φ = 19283656.

The previous prime is 38764469. The next prime is 38764487. The reversal of 38764478 is 87446783.

It is an interprime number because it is at equal distance from previous prime (38764469) and next prime (38764487).

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

It is a super-3 number, since 3×38764478³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48800 + ... + 49587.

It is an arithmetic number, because the mean of its divisors is an integer number (7305309).

Almost surely, 2^38764478 is an apocalyptic number.

38764478 is a deficient number, since it is larger than the sum of its proper divisors (19677994).

38764478 is a wasteful number, since it uses less digits than its factorization.

38764478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98586.

The product of its digits is 903168, while the sum is 47.

The square root of 38764478 is about 6226.1125913366. The cubic root of 38764478 is about 338.4371117225.

The spelling of 38764478 in words is "thirty-eight million, seven hundred sixty-four thousand, four hundred seventy-eight".