1553464 has 32 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 695520.

The previous prime is 1553437. The next prime is 1553467. The reversal of 1553464 is 4643551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11107 + ... + 11245.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^1553464 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 1553464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1553464 is an abundant number, since it is smaller than the sum of its proper divisors (1672136).

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

1553464 is a wasteful number, since it uses less digits than its factorization.

1553464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1553464 is about 1246.3803592804. The cubic root of 1553464 is about 115.8156008027.

The spelling of 1553464 in words is "one million, five hundred fifty-three thousand, four hundred sixty-four".