1400984 has 32 divisors (see below), whose sum is σ = 2982000. Its totient is φ = 611712.

The previous prime is 1400947. The next prime is 1400989. The reversal of 1400984 is 4890041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 2330.

2^1400984 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 1400984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491000).

1400984 is an abundant number, since it is smaller than the sum of its proper divisors (1581016).

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

1400984 is a wasteful number, since it uses less digits than its factorization.

1400984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1400984 is about 1183.6316994741. The cubic root of 1400984 is about 111.8950973539.

The spelling of 1400984 in words is "one million, four hundred thousand, nine hundred eighty-four".