1400560 has 80 divisors (see below), whose sum is σ = 3874752. Its totient is φ = 460800.

The previous prime is 1400557. The next prime is 1400587. The reversal of 1400560 is 650041.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 22930 + ... + 22990.

2^1400560 is an apocalyptic number.

1400560 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 1400560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937376).

1400560 is an abundant number, since it is smaller than the sum of its proper divisors (2474192).

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

1400560 is a wasteful number, since it uses less digits than its factorization.

1400560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1400560 is about 1183.4525761517. The cubic root of 1400560 is about 111.8838080724.

The spelling of 1400560 in words is "one million, four hundred thousand, five hundred sixty".