38877830 has 8 divisors (see below), whose sum is σ = 69980112. Its totient is φ = 15551128.

The previous prime is 38877823. The next prime is 38877833. The reversal of 38877830 is 3877883.

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

It is a super-2 number, since 2×38877830² = 3022971331017800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38877833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943882 + ... + 1943901.

It is an arithmetic number, because the mean of its divisors is an integer number (8747514).

Almost surely, 2^38877830 is an apocalyptic number.

38877830 is a deficient number, since it is larger than the sum of its proper divisors (31102282).

38877830 is a wasteful number, since it uses less digits than its factorization.

38877830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887790.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 38877830 is about 6235.2088978638. The cubic root of 38877830 is about 338.7666676621.

The spelling of 38877830 in words is "thirty-eight million, eight hundred seventy-seven thousand, eight hundred thirty".