1456398 has 12 divisors (see below), whose sum is σ = 3155568. Its totient is φ = 485460.

The previous prime is 1456393. The next prime is 1456417. The reversal of 1456398 is 8936541.

1456398 is a `hidden beast` number, since 1 + 4 + 563 + 98 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40438 + ... + 40473.

It is an arithmetic number, because the mean of its divisors is an integer number (262964).

2^1456398 is an apocalyptic number.

1456398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1456398 is an abundant number, since it is smaller than the sum of its proper divisors (1699170).

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

1456398 is a wasteful number, since it uses less digits than its factorization.

1456398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80919 (or 80916 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1456398 is about 1206.8131586952. The cubic root of 1456398 is about 113.3513485395.

The spelling of 1456398 in words is "one million, four hundred fifty-six thousand, three hundred ninety-eight".