94638149 has 4 divisors (see below), whose sum is σ = 95934636. Its totient is φ = 93341664.

The previous prime is 94638113. The next prime is 94638157. The reversal of 94638149 is 94183649.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80874049 + 13764100 = 8993^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 94638149 - 2¹⁶ = 94572613 is a prime.

It is a super-2 number, since 2×94638149² = 17912758492292402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94638109) 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, 648134 + ... + 648279.

It is an arithmetic number, because the mean of its divisors is an integer number (23983659).

Almost surely, 2^94638149 is an apocalyptic number.

It is an amenable number.

94638149 is a deficient number, since it is larger than the sum of its proper divisors (1296487).

94638149 is a wasteful number, since it uses less digits than its factorization.

94638149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296486.

The product of its digits is 186624, while the sum is 44.

The square root of 94638149 is about 9728.2140704242. The cubic root of 94638149 is about 455.7101962964.

The spelling of 94638149 in words is "ninety-four million, six hundred thirty-eight thousand, one hundred forty-nine".