1400364 has 36 divisors (see below), whose sum is σ = 4046224. Its totient is φ = 400032.

The previous prime is 1400353. The next prime is 1400369. The reversal of 1400364 is 4630041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1400364² = 3922038664992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527 + ... + 3030.

2^1400364 is an apocalyptic number.

1400364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1400364 is an abundant number, since it is smaller than the sum of its proper divisors (2645860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400364 is a wasteful number, since it uses less digits than its factorization.

1400364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1400364 is about 1183.3697646974. The cubic root of 1400364 is about 111.8785886722.

It can be divided in two parts, 1400 and 364, that added together give a square (1764 = 42²).

The spelling of 1400364 in words is "one million, four hundred thousand, three hundred sixty-four".