10549890 has 96 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 2540160.

The previous prime is 10549871. The next prime is 10549901. The reversal of 10549890 is 9894501.

It is a super-2 number, since 2×10549890² = 222600358024200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83007 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^10549890 is an apocalyptic number.

10549890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10549890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808).

10549890 is an abundant number, since it is smaller than the sum of its proper divisors (19641726).

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

10549890 is a wasteful number, since it uses less digits than its factorization.

10549890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

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

The square root of 10549890 is about 3248.0594206387. The cubic root of 10549890 is about 219.3222253551.

The spelling of 10549890 in words is "ten million, five hundred forty-nine thousand, eight hundred ninety".