82951420 has 12 divisors (see below), whose sum is σ = 174198024. Its totient is φ = 33180560.

The previous prime is 82951417. The next prime is 82951423. The reversal of 82951420 is 2415928.

It is an interprime number because it is at equal distance from previous prime (82951417) and next prime (82951423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82951423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073766 + ... + 2073805.

It is an arithmetic number, because the mean of its divisors is an integer number (14516502).

Almost surely, 2^82951420 is an apocalyptic number.

It is an amenable number.

82951420 is an abundant number, since it is smaller than the sum of its proper divisors (91246604).

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

82951420 is a wasteful number, since it uses less digits than its factorization.

82951420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147580 (or 4147578 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 82951420 is about 9107.7670150262. The cubic root of 82951420 is about 436.1219463622.

The spelling of 82951420 in words is "eighty-two million, nine hundred fifty-one thousand, four hundred twenty".