1400685 has 32 divisors (see below), whose sum is σ = 2636928. Its totient is φ = 625920.

The previous prime is 1400669. The next prime is 1400687. The reversal of 1400685 is 5860041.

It is not a de Polignac number, because 1400685 - 2⁴ = 1400669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1819 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (82404).

2^1400685 is an apocalyptic number.

1400685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400685 is a deficient number, since it is larger than the sum of its proper divisors (1236243).

1400685 is a wasteful number, since it uses less digits than its factorization.

1400685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1400685 is about 1183.5053865530. The cubic root of 1400685 is about 111.8871365172.

The spelling of 1400685 in words is "one million, four hundred thousand, six hundred eighty-five".