38696820 has 48 divisors (see below), whose sum is σ = 111285888. Its totient is φ = 10039680.

The previous prime is 38696761. The next prime is 38696869. The reversal of 38696820 is 2869683.

It is a super-2 number, since 2×38696820² = 2994887756224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6496 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (2318456).

Almost surely, 2^38696820 is an apocalyptic number.

38696820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38696820 is an abundant number, since it is smaller than the sum of its proper divisors (72589068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38696820 is a wasteful number, since it uses less digits than its factorization.

38696820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17480 (or 17478 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 38696820 is about 6220.6768120519. The cubic root of 38696820 is about 338.2400987701.

The spelling of 38696820 in words is "thirty-eight million, six hundred ninety-six thousand, eight hundred twenty".