1491364 has 24 divisors (see below), whose sum is σ = 3046400. Its totient is φ = 638568.

The previous prime is 1491299. The next prime is 1491377. The reversal of 1491364 is 4631941.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 1915.

2^1491364 is an apocalyptic number.

1491364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1491364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523200).

1491364 is an abundant number, since it is smaller than the sum of its proper divisors (1555036).

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

1491364 is a wasteful number, since it uses less digits than its factorization.

1491364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1096 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1491364 is about 1221.2141499344. The cubic root of 1491364 is about 114.2513179226.

It can be divided in two parts, 14 and 91364, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 1491364 in words is "one million, four hundred ninety-one thousand, three hundred sixty-four".