1974480 has 80 divisors (see below), whose sum is σ = 6457920. Its totient is φ = 497664.

The previous prime is 1974457. The next prime is 1974493. The reversal of 1974480 is 844791.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4344 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (80724).

2^1974480 is an apocalyptic number.

1974480 is a gapful number since it is divisible by the number (10) 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 1974480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3228960).

1974480 is an abundant number, since it is smaller than the sum of its proper divisors (4483440).

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

1974480 is a wasteful number, since it uses less digits than its factorization.

1974480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1974480 is about 1405.1619123788. The cubic root of 1974480 is about 125.4539229695.

The spelling of 1974480 in words is "one million, nine hundred seventy-four thousand, four hundred eighty".