1520464 has 40 divisors (see below), whose sum is σ = 3294432. Its totient is φ = 673920.

The previous prime is 1520447. The next prime is 1520473. The reversal of 1520464 is 4640251.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 9247 + ... + 9409.

2^1520464 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 1520464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647216).

1520464 is an abundant number, since it is smaller than the sum of its proper divisors (1773968).

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

1520464 is a wasteful number, since it uses less digits than its factorization.

1520464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1520464 is about 1233.0709630836. The cubic root of 1520464 is about 114.9896398985.

The spelling of 1520464 in words is "one million, five hundred twenty thousand, four hundred sixty-four".