1400449 has 2 divisors, whose sum is σ = 1400450. Its totient is φ = 1400448.

The previous prime is 1400423. The next prime is 1400453. The reversal of 1400449 is 9440041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 119025 = 1132^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400449 - 2⁵ = 1400417 is a prime.

It is a super-2 number, since 2×1400449² = 3922514803202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1400479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700224 + 700225.

It is an arithmetic number, because the mean of its divisors is an integer number (700225).

2^1400449 is an apocalyptic number.

It is an amenable number.

1400449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400449 is an equidigital number, since it uses as much as digits as its factorization.

1400449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1400449 is about 1183.4056785397. The cubic root of 1400449 is about 111.8808522474.

It can be divided in two parts, 1400 and 449, that added together give a square (1849 = 43²).

The spelling of 1400449 in words is "one million, four hundred thousand, four hundred forty-nine".