1554480 has 120 divisors (see below), whose sum is σ = 5571072. Its totient is φ = 387072.

The previous prime is 1554461. The next prime is 1554521. The reversal of 1554480 is 844551.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12177 + ... + 12303.

2^1554480 is an apocalyptic number.

1554480 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 1554480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785536).

1554480 is an abundant number, since it is smaller than the sum of its proper divisors (4016592).

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

1554480 is a wasteful number, since it uses less digits than its factorization.

1554480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1554480 is about 1246.7878728958. The cubic root of 1554480 is about 115.8408439597.

The spelling of 1554480 in words is "one million, five hundred fifty-four thousand, four hundred eighty".