1958898 has 16 divisors (see below), whose sum is σ = 4013856. Its totient is φ = 636960.

The previous prime is 1958897. The next prime is 1958899. The reversal of 1958898 is 8988591.

It is an interprime number because it is at equal distance from previous prime (1958897) and next prime (1958899).

It is not an unprimeable number, because it can be changed into a prime (1958897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (250866).

2^1958898 is an apocalyptic number.

1958898 is an abundant number, since it is smaller than the sum of its proper divisors (2054958).

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

1958898 is a wasteful number, since it uses less digits than its factorization.

1958898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009.

The product of its digits is 207360, while the sum is 48.

The square root of 1958898 is about 1399.6063732350. The cubic root of 1958898 is about 125.1230361904.

The spelling of 1958898 in words is "one million, nine hundred fifty-eight thousand, eight hundred ninety-eight".