40196873 has 4 divisors (see below), whose sum is σ = 41131728. Its totient is φ = 39262020.

The previous prime is 40196861. The next prime is 40196879. The reversal of 40196873 is 37869104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40196873 - 2¹⁴ = 40180489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40196879) 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, 467363 + ... + 467448.

It is an arithmetic number, because the mean of its divisors is an integer number (10282932).

Almost surely, 2^40196873 is an apocalyptic number.

40196873 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40196873 is a deficient number, since it is larger than the sum of its proper divisors (934855).

40196873 is an equidigital number, since it uses as much as digits as its factorization.

40196873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934854.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40196873 is about 6340.1003935269. The cubic root of 40196873 is about 342.5553514889. Note that the first 3 decimals are identical.

The spelling of 40196873 in words is "forty million, one hundred ninety-six thousand, eight hundred seventy-three".