6149890 has 16 divisors (see below), whose sum is σ = 11181240. Its totient is φ = 2435200.

The previous prime is 6149887. The next prime is 6149893. The reversal of 6149890 is 989416.

It is an interprime number because it is at equal distance from previous prime (6149887) and next prime (6149893).

It can be written as a sum of positive squares in 4 ways, for example, as 5555449 + 594441 = 2357^2 + 771^2 .

It is a super-2 number, since 2×6149890² = 75642294024200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6149893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035 + ... + 4054.

Almost surely, 2^6149890 is an apocalyptic number.

6149890 is a deficient number, since it is larger than the sum of its proper divisors (5031350).

6149890 is a wasteful number, since it uses less digits than its factorization.

6149890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6149890 is about 2479.8971752877. The cubic root of 6149890 is about 183.2127876062.

The spelling of 6149890 in words is "six million, one hundred forty-nine thousand, eight hundred ninety".