85420946 has 8 divisors (see below), whose sum is σ = 137987724. Its totient is φ = 39425040.

The previous prime is 85420943. The next prime is 85420957. The reversal of 85420946 is 64902458.

It can be written as a sum of positive squares in 2 ways, for example, as 67059721 + 18361225 = 8189^2 + 4285^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85420943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642685 + ... + 1642736.

Almost surely, 2^85420946 is an apocalyptic number.

85420946 is a deficient number, since it is larger than the sum of its proper divisors (52566778).

85420946 is a wasteful number, since it uses less digits than its factorization.

85420946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285436.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 85420946 is about 9242.3452651370. The cubic root of 85420946 is about 440.4075871974.

The spelling of 85420946 in words is "eighty-five million, four hundred twenty thousand, nine hundred forty-six".