1398485 has 16 divisors (see below), whose sum is σ = 1873152. Its totient is φ = 993600.

The previous prime is 1398473. The next prime is 1398493. The reversal of 1398485 is 5848931.

It is not a de Polignac number, because 1398485 - 2⁶ = 1398421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (117072).

2^1398485 is an apocalyptic number.

It is an amenable number.

1398485 is a deficient number, since it is larger than the sum of its proper divisors (474667).

1398485 is a wasteful number, since it uses less digits than its factorization.

1398485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its digits is 34560, while the sum is 38.

The square root of 1398485 is about 1182.5755789800. The cubic root of 1398485 is about 111.8285269353.

It can be divided in two parts, 1398 and 485, that multiplied together give a triangular number (678030 = T₁₁₆₄).

The spelling of 1398485 in words is "one million, three hundred ninety-eight thousand, four hundred eighty-five".