867641401 has 24 divisors (see below), whose sum is σ = 1003138560. Its totient is φ = 743349600.

The previous prime is 867641353. The next prime is 867641407. The reversal of 867641401 is 104146768.

It is a happy number.

It is not a de Polignac number, because 867641401 - 2⁷ = 867641273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867641407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589096 + ... + 590566.

It is an arithmetic number, because the mean of its divisors is an integer number (41797440).

Almost surely, 2^867641401 is an apocalyptic number.

It is an amenable number.

867641401 is a deficient number, since it is larger than the sum of its proper divisors (135497159).

867641401 is a wasteful number, since it uses less digits than its factorization.

867641401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 867641401 is about 29455.7532750395. The cubic root of 867641401 is about 953.7768029698.

The spelling of 867641401 in words is "eight hundred sixty-seven million, six hundred forty-one thousand, four hundred one".