1400738 has 8 divisors (see below), whose sum is σ = 2109888. Its totient is φ = 697444.

The previous prime is 1400731. The next prime is 1400747. The reversal of 1400738 is 8370041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1400738 is a modest number, since divided by 738 gives 14 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1400731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806 + ... + 1857.

It is an arithmetic number, because the mean of its divisors is an integer number (263736).

2^1400738 is an apocalyptic number.

1400738 is a deficient number, since it is larger than the sum of its proper divisors (709150).

1400738 is a wasteful number, since it uses less digits than its factorization.

1400738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1400738 is about 1183.5277774518. The cubic root of 1400738 is about 111.8885477180. Note that the first 3 decimals are identical.

Adding to 1400738 its reverse (8370041), we get a palindrome (9770779).

The spelling of 1400738 in words is "one million, four hundred thousand, seven hundred thirty-eight".