1401598 has 8 divisors (see below), whose sum is σ = 2293560. Its totient is φ = 637080.

The previous prime is 1401571. The next prime is 1401601. The reversal of 1401598 is 8951041.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31833 + ... + 31876.

It is an arithmetic number, because the mean of its divisors is an integer number (286695).

2^1401598 is an apocalyptic number.

1401598 is a deficient number, since it is larger than the sum of its proper divisors (891962).

1401598 is a wasteful number, since it uses less digits than its factorization.

1401598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63722.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1401598 is about 1183.8910422839. The cubic root of 1401598 is about 111.9114414747.

The spelling of 1401598 in words is "one million, four hundred one thousand, five hundred ninety-eight".