1398053 has 2 divisors, whose sum is σ = 1398054. Its totient is φ = 1398052.

The previous prime is 1398049. The next prime is 1398079. The reversal of 1398053 is 3508931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 68644 = 1153^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1398053 - 2² = 1398049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699026 + 699027.

It is an arithmetic number, because the mean of its divisors is an integer number (699027).

2^1398053 is an apocalyptic number.

It is an amenable number.

1398053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398053 is an equidigital number, since it uses as much as digits as its factorization.

1398053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1398053 is about 1182.3929126987. The cubic root of 1398053 is about 111.8170109260.

It can be divided in two parts, 139 and 8053, that added together give a 13-th power (8192 = 2¹³).

The spelling of 1398053 in words is "one million, three hundred ninety-eight thousand, fifty-three".