39801000 has 64 divisors (see below), whose sum is σ = 124188480. Its totient is φ = 10612800.

The previous prime is 39800989. The next prime is 39801019. The reversal of 39801000 is 10893.

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, 3634 + ... + 9633.

It is an arithmetic number, because the mean of its divisors is an integer number (1940445).

Almost surely, 2^39801000 is an apocalyptic number.

39801000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39801000 is an abundant number, since it is smaller than the sum of its proper divisors (84387480).

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

39801000 is a wasteful number, since it uses less digits than its factorization.

39801000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291 (or 13277 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 39801000 is about 6308.8033730653. The cubic root of 39801000 is about 341.4271041944.

Adding to 39801000 its reverse (10893), we get a palindrome (39811893).

The spelling of 39801000 in words is "thirty-nine million, eight hundred one thousand".