10156890 has 16 divisors (see below), whose sum is σ = 24376608. Its totient is φ = 2708496.

The previous prime is 10156877. The next prime is 10156891. The reversal of 10156890 is 9865101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 338563 = 10156890 / (1 + 0 + 1 + 5 + 6 + 8 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10156891) 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, 169252 + ... + 169311.

It is an arithmetic number, because the mean of its divisors is an integer number (1523538).

Almost surely, 2^10156890 is an apocalyptic number.

10156890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10156890 is an abundant number, since it is smaller than the sum of its proper divisors (14219718).

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

10156890 is a wasteful number, since it uses less digits than its factorization.

10156890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338573.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 10156890 is about 3186.9876058749. The cubic root of 10156890 is about 216.5643251055.

The spelling of 10156890 in words is "ten million, one hundred fifty-six thousand, eight hundred ninety".