5149890 has 24 divisors (see below), whose sum is σ = 13389948. Its totient is φ = 1373280.

The previous prime is 5149867. The next prime is 5149891. The reversal of 5149890 is 989415.

It can be written as a sum of positive squares in 2 ways, for example, as 4756761 + 393129 = 2181^2 + 627^2 .

It is not an unprimeable number, because it can be changed into a prime (5149891) 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, 28521 + ... + 28700.

Almost surely, 2^5149890 is an apocalyptic number.

5149890 is an abundant number, since it is smaller than the sum of its proper divisors (8240058).

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

5149890 is a wasteful number, since it uses less digits than its factorization.

5149890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57234 (or 57231 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5149890 is about 2269.3369075569. The cubic root of 5149890 is about 172.6895207513.

It can be divided in two parts, 514 and 9890, that added together give a square (10404 = 102²).

The spelling of 5149890 in words is "five million, one hundred forty-nine thousand, eight hundred ninety".