1146890 has 8 divisors (see below), whose sum is σ = 2064420. Its totient is φ = 458752.

The previous prime is 1146881. The next prime is 1146911. The reversal of 1146890 is 986411.

It can be written as a sum of positive squares in 2 ways, for example, as 994009 + 152881 = 997^2 + 391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57335 + ... + 57354.

2^1146890 is an apocalyptic number.

1146890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146890 is a deficient number, since it is larger than the sum of its proper divisors (917530).

1146890 is a wasteful number, since it uses less digits than its factorization.

1146890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114696.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1146890 is about 1070.9295028152. The cubic root of 1146890 is about 104.6744261538.

The spelling of 1146890 in words is "one million, one hundred forty-six thousand, eight hundred ninety".