49809236 has 6 divisors (see below), whose sum is σ = 87166170. Its totient is φ = 24904616.

The previous prime is 49809233. The next prime is 49809239. The reversal of 49809236 is 63290894.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49809233) and next prime (49809239).

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 20757136 = 5390^2 + 4556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49809193 and 49809202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49809233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226151 + ... + 6226158.

It is an arithmetic number, because the mean of its divisors is an integer number (14527695).

Almost surely, 2^49809236 is an apocalyptic number.

It is an amenable number.

49809236 is a deficient number, since it is larger than the sum of its proper divisors (37356934).

49809236 is a wasteful number, since it uses less digits than its factorization.

49809236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452313 (or 12452311 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 49809236 is about 7057.5658693348. The cubic root of 49809236 is about 367.9340323625.

The spelling of 49809236 in words is "forty-nine million, eight hundred nine thousand, two hundred thirty-six".