1946624 has 22 divisors (see below), whose sum is σ = 3893394. Its totient is φ = 972800.

The previous prime is 1946621. The next prime is 1946627. The reversal of 1946624 is 4266491.

It is a happy number.

1946624 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (1946621) and next prime (1946627).

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 692224 = 1120^2 + 832^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 1 + 9³ + 4⁶ + 6 + 6⁸ + 2⁵ + 4⁹ .

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74 + ... + 1974.

2^1946624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1946624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946697).

1946624 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1946624 is an equidigital number, since it uses as much as digits as its factorization.

1946624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1903 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1946624 is about 1395.2146788219. The cubic root of 1946624 is about 124.8611578399.

The spelling of 1946624 in words is "one million, nine hundred forty-six thousand, six hundred twenty-four".