1398034 has 24 divisors (see below), whose sum is σ = 2370060. Its totient is φ = 617760.

The previous prime is 1398031. The next prime is 1398037. The reversal of 1398034 is 4308931.

It is an interprime number because it is at equal distance from previous prime (1398031) and next prime (1398037).

It can be written as a sum of positive squares in 2 ways, for example, as 1334025 + 64009 = 1155^2 + 253^2 .

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1397993 and 1398011.

It is not an unprimeable number, because it can be changed into a prime (1398031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12772 + ... + 12880.

2^1398034 is an apocalyptic number.

1398034 is a deficient number, since it is larger than the sum of its proper divisors (972026).

1398034 is a wasteful number, since it uses less digits than its factorization.

1398034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1398034 is about 1182.3848781171. The cubic root of 1398034 is about 111.8165043804.

The spelling of 1398034 in words is "one million, three hundred ninety-eight thousand, thirty-four".