1346644 has 48 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 556416.

The previous prime is 1346641. The next prime is 1346647. The reversal of 1346644 is 4466431.

1346644 = T₂₄₇ + T₂₄₈ + ... + T₂₈₄.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1346641) and next prime (1346647).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28629 + ... + 28675.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2^1346644 is an apocalyptic number.

It is an amenable number.

1346644 is an abundant number, since it is smaller than the sum of its proper divisors (1475756).

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

1346644 is a wasteful number, since it uses less digits than its factorization.

1346644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1346644 is about 1160.4499127494. The cubic root of 1346644 is about 110.4292866712.

The spelling of 1346644 in words is "one million, three hundred forty-six thousand, six hundred forty-four".