38877946 has 8 divisors (see below), whose sum is σ = 61747380. Its totient is φ = 18295488.

The previous prime is 38877941. The next prime is 38877961. The reversal of 38877946 is 64977883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32319225 + 6558721 = 5685^2 + 2561^2 .

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

It is a super-2 number, since 2×38877946² = 3022989370357832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38877893 and 38877902.

It is not an unprimeable number, because it can be changed into a prime (38877941) 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, 571701 + ... + 571768.

Almost surely, 2^38877946 is an apocalyptic number.

38877946 is a deficient number, since it is larger than the sum of its proper divisors (22869434).

38877946 is a wasteful number, since it uses less digits than its factorization.

38877946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143488.

The product of its digits is 2032128, while the sum is 52.

The square root of 38877946 is about 6235.2181998708. The cubic root of 38877946 is about 338.7670045884.

The spelling of 38877946 in words is "thirty-eight million, eight hundred seventy-seven thousand, nine hundred forty-six".