27950949 has 12 divisors (see below), whose sum is σ = 43479436. Its totient is φ = 17200512.

The previous prime is 27950927. The next prime is 27950963. The reversal of 27950949 is 94905972.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 14861025 = 3618^2 + 3855^2 .

It is not a de Polignac number, because 27950949 - 2⁷ = 27950821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27950999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119332 + ... + 119565.

Almost surely, 2^27950949 is an apocalyptic number.

It is an amenable number.

27950949 is a deficient number, since it is larger than the sum of its proper divisors (15528487).

27950949 is a wasteful number, since it uses less digits than its factorization.

27950949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238916 (or 238913 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 27950949 is about 5286.8657066356. The cubic root of 27950949 is about 303.4814748221.

The spelling of 27950949 in words is "twenty-seven million, nine hundred fifty thousand, nine hundred forty-nine".