1455660 has 36 divisors (see below), whose sum is σ = 4416048. Its totient is φ = 388128.

The previous prime is 1455653. The next prime is 1455661. The reversal of 1455660 is 665541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1455661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3864 + ... + 4223.

It is an arithmetic number, because the mean of its divisors is an integer number (122668).

2^1455660 is an apocalyptic number.

1455660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455660 is an abundant number, since it is smaller than the sum of its proper divisors (2960388).

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

1455660 is a wasteful number, since it uses less digits than its factorization.

1455660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1455660 is about 1206.5073559660. The cubic root of 1455660 is about 113.3321991428.

The spelling of 1455660 in words is "one million, four hundred fifty-five thousand, six hundred sixty".