36491949 has 12 divisors (see below), whose sum is σ = 56765436. Its totient is φ = 22456512.

The previous prime is 36491933. The next prime is 36491963. The reversal of 36491949 is 94919463.

36491949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 33143049 = 1830^2 + 5757^2 .

It is not a de Polignac number, because 36491949 - 2⁴ = 36491933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36491999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155832 + ... + 156065.

It is an arithmetic number, because the mean of its divisors is an integer number (4730453).

Almost surely, 2^36491949 is an apocalyptic number.

36491949 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

36491949 is a deficient number, since it is larger than the sum of its proper divisors (20273487).

36491949 is a wasteful number, since it uses less digits than its factorization.

36491949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311916 (or 311913 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 36491949 is about 6040.8566445497. The cubic root of 36491949 is about 331.6899807129.

The spelling of 36491949 in words is "thirty-six million, four hundred ninety-one thousand, nine hundred forty-nine".