2949621928 has 32 divisors (see below), whose sum is σ = 6135588000. Its totient is φ = 1318010560.

The previous prime is 2949621893. The next prime is 2949621949. The reversal of 2949621928 is 8291269492.

It is a super-3 number, since 3×2949621928³ (a number of 29 digits) contains 333 as substring.

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, 278863 + ... + 289246.

It is an arithmetic number, because the mean of its divisors is an integer number (191737125).

Almost surely, 2^2949621928 is an apocalyptic number.

It is an amenable number.

2949621928 is an abundant number, since it is smaller than the sum of its proper divisors (3185966072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2949621928 is a wasteful number, since it uses less digits than its factorization.

2949621928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568185 (or 568181 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 2949621928 is about 54310.4219096114. The cubic root of 2949621928 is about 1434.1308707112.

The spelling of 2949621928 in words is "two billion, nine hundred forty-nine million, six hundred twenty-one thousand, nine hundred twenty-eight".