84950431 has 8 divisors (see below), whose sum is σ = 88737120. Its totient is φ = 81171552.

The previous prime is 84950429. The next prime is 84950441. The reversal of 84950431 is 13405948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84950431 - 2¹ = 84950429 is a prime.

It is a super-2 number, since 2×84950431² = 14433151454171522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84950441) 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, 37281 + ... + 39493.

It is an arithmetic number, because the mean of its divisors is an integer number (11092140).

Almost surely, 2^84950431 is an apocalyptic number.

84950431 is a deficient number, since it is larger than the sum of its proper divisors (3786689).

84950431 is a wasteful number, since it uses less digits than its factorization.

84950431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 84950431 is about 9216.8558087886. The cubic root of 84950431 is about 439.5974814001.

The spelling of 84950431 in words is "eighty-four million, nine hundred fifty thousand, four hundred thirty-one".