1400366 has 16 divisors (see below), whose sum is σ = 2336688. Its totient is φ = 624000.

The previous prime is 1400353. The next prime is 1400369. The reversal of 1400366 is 6630041.

It is a super-2 number, since 2×1400366² = 3922049867912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (146043).

2^1400366 is an apocalyptic number.

1400366 is a deficient number, since it is larger than the sum of its proper divisors (936322).

1400366 is a wasteful number, since it uses less digits than its factorization.

1400366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1400366 is about 1183.3706097415. The cubic root of 1400366 is about 111.8786419338.

The spelling of 1400366 in words is "one million, four hundred thousand, three hundred sixty-six".