1374984 has 72 divisors (see below), whose sum is σ = 4068090. Its totient is φ = 419328.

The previous prime is 1374983. The next prime is 1375007. The reversal of 1374984 is 4894731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 272484 + 1102500 = 522^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12112 + ... + 12224.

2^1374984 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 1374984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034045).

1374984 is an abundant number, since it is smaller than the sum of its proper divisors (2693106).

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

1374984 is a wasteful number, since it uses less digits than its factorization.

1374984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 131 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1374984 is about 1172.5971175131. The cubic root of 1374984 is about 111.1985732094.

The spelling of 1374984 in words is "one million, three hundred seventy-four thousand, nine hundred eighty-four".