49309012 has 24 divisors (see below), whose sum is σ = 89099360. Its totient is φ = 23859360.

The previous prime is 49308997. The next prime is 49309031. The reversal of 49309012 is 21090394.

It is a happy number.

It is a super-2 number, since 2×49309012² = 4862757328832288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30439 + ... + 32017.

Almost surely, 2^49309012 is an apocalyptic number.

It is an amenable number.

49309012 is a deficient number, since it is larger than the sum of its proper divisors (39790348).

49309012 is a wasteful number, since it uses less digits than its factorization.

49309012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 49309012 is about 7022.0375960258. The cubic root of 49309012 is about 366.6981904945.

The spelling of 49309012 in words is "forty-nine million, three hundred nine thousand, twelve".