1146990 has 64 divisors (see below), whose sum is σ = 3157056. Its totient is φ = 264192.

The previous prime is 1146989. The next prime is 1147009. The reversal of 1146990 is 996411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6544 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (49329).

2^1146990 is an apocalyptic number.

1146990 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 1146990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578528).

1146990 is an abundant number, since it is smaller than the sum of its proper divisors (2010066).

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

1146990 is a wasteful number, since it uses less digits than its factorization.

1146990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1146990 is about 1070.9761902115. The cubic root of 1146990 is about 104.6774683341.

The spelling of 1146990 in words is "one million, one hundred forty-six thousand, nine hundred ninety".