1400480 has 24 divisors (see below), whose sum is σ = 3309012. Its totient is φ = 560128.

The previous prime is 1400479. The next prime is 1400489. The reversal of 1400480 is 840041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 26896 = 1172^2 + 164^2 .

It is a super-2 number, since 2×1400480² = 3922688460800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217 + ... + 4536.

2^1400480 is an apocalyptic number.

1400480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400480 is an abundant number, since it is smaller than the sum of its proper divisors (1908532).

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

1400480 is an equidigital number, since it uses as much as digits as its factorization.

1400480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1400480 is about 1183.4187762580. The cubic root of 1400480 is about 111.8816777638.

The spelling of 1400480 in words is "one million, four hundred thousand, four hundred eighty".