1398058 has 8 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 662220.

The previous prime is 1398053. The next prime is 1398079. The reversal of 1398058 is 8508931.

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

It is a super-3 number, since 3×1398058³ = 8197790617214433336, which contains 333 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1398053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18358 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (275940).

2^1398058 is an apocalyptic number.

1398058 is a deficient number, since it is larger than the sum of its proper divisors (809462).

1398058 is a wasteful number, since it uses less digits than its factorization.

1398058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36812.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1398058 is about 1182.3950270531. The cubic root of 1398058 is about 111.8171442267.

The spelling of 1398058 in words is "one million, three hundred ninety-eight thousand, fifty-eight".