1946490 has 128 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 380160.

The previous prime is 1946489. The next prime is 1946501. The reversal of 1946490 is 946491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62775 + ... + 62805.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2^1946490 is an apocalyptic number.

1946490 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 1946490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096576).

1946490 is an abundant number, since it is smaller than the sum of its proper divisors (4246662).

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

1946490 is a wasteful number, since it uses less digits than its factorization.

1946490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1946490 is about 1395.1666567117. The cubic root of 1946490 is about 124.8582927465.

Subtracting from 1946490 its reverse (946491), we obtain a palindrome (999999).

The spelling of 1946490 in words is "one million, nine hundred forty-six thousand, four hundred ninety".