1400446 has 4 divisors (see below), whose sum is σ = 2100672. Its totient is φ = 700222.

The previous prime is 1400423. The next prime is 1400449. The reversal of 1400446 is 6440041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1400446² = 3922497997832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350110 + ... + 350113.

It is an arithmetic number, because the mean of its divisors is an integer number (525168).

2^1400446 is an apocalyptic number.

1400446 is a deficient number, since it is larger than the sum of its proper divisors (700226).

1400446 is an equidigital number, since it uses as much as digits as its factorization.

1400446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700225.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1400446 is about 1183.4044110109. The cubic root of 1400446 is about 111.8807723580.

Adding to 1400446 its reverse (6440041), we get a palindrome (7840487).

The spelling of 1400446 in words is "one million, four hundred thousand, four hundred forty-six".