39873000 has 64 divisors (see below), whose sum is σ = 124413120. Its totient is φ = 10632000.

The previous prime is 39872983. The next prime is 39873017. The reversal of 39873000 is 37893.

It is an interprime number because it is at equal distance from previous prime (39872983) and next prime (39873017).

It is a super-2 number, since 2×39873000² = 3179712258000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3646 + ... + 9645.

It is an arithmetic number, because the mean of its divisors is an integer number (1943955).

Almost surely, 2^39873000 is an apocalyptic number.

39873000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39873000 is an abundant number, since it is smaller than the sum of its proper divisors (84540120).

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

39873000 is a wasteful number, since it uses less digits than its factorization.

39873000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13315 (or 13301 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 39873000 is about 6314.5071066553. The cubic root of 39873000 is about 341.6328606912.

The spelling of 39873000 in words is "thirty-nine million, eight hundred seventy-three thousand".