1400450 has 24 divisors (see below), whose sum is σ = 2678772. Its totient is φ = 544320.

The previous prime is 1400449. The next prime is 1400453. The reversal of 1400450 is 540041.

It can be written as a sum of positive squares in 6 ways, for example, as 900601 + 499849 = 949^2 + 707^2 .

It is a super-2 number, since 2×1400450² = 3922520405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400453) 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, 1472 + ... + 2228.

2^1400450 is an apocalyptic number.

1400450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400450 is a deficient number, since it is larger than the sum of its proper divisors (1278322).

1400450 is a wasteful number, since it uses less digits than its factorization.

1400450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1400450 is about 1183.4061010490. The cubic root of 1400450 is about 111.8808788771.

Adding to 1400450 its reverse (540041), we get a palindrome (1940491).

The spelling of 1400450 in words is "one million, four hundred thousand, four hundred fifty".