84940457 has 8 divisors (see below), whose sum is σ = 98245056. Its totient is φ = 71928432.

The previous prime is 84940447. The next prime is 84940463. The reversal of 84940457 is 75404948.

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 84940457 - 2⁸ = 84940201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84940447) 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, 72518 + ... + 73679.

It is an arithmetic number, because the mean of its divisors is an integer number (12280632).

Almost surely, 2^84940457 is an apocalyptic number.

It is an amenable number.

84940457 is a deficient number, since it is larger than the sum of its proper divisors (13304599).

84940457 is a wasteful number, since it uses less digits than its factorization.

84940457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146287.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 84940457 is about 9216.3147190187. The cubic root of 84940457 is about 439.5802763986.

The spelling of 84940457 in words is "eighty-four million, nine hundred forty thousand, four hundred fifty-seven".