867961420 has 24 divisors (see below), whose sum is σ = 1918652400. Its totient is φ = 328911552.

The previous prime is 867961417. The next prime is 867961421. The reversal of 867961420 is 24169768.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (867961421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141675 + ... + 1142434.

It is an arithmetic number, because the mean of its divisors is an integer number (79943850).

Almost surely, 2^867961420 is an apocalyptic number.

It is an amenable number.

867961420 is an abundant number, since it is smaller than the sum of its proper divisors (1050690980).

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

867961420 is a wasteful number, since it uses less digits than its factorization.

867961420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284137 (or 2284135 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 867961420 is about 29461.1849727739. The cubic root of 867961420 is about 953.8940515550.

The spelling of 867961420 in words is "eight hundred sixty-seven million, nine hundred sixty-one thousand, four hundred twenty".