1398950 has 36 divisors (see below), whose sum is σ = 3032172. Its totient is φ = 478800.

The previous prime is 1398911. The next prime is 1398967. The reversal of 1398950 is 598931.

It is a super-2 number, since 2×1398950² = 3914122205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1398950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2165 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (84227).

2^1398950 is an apocalyptic number.

1398950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1398950 is an abundant number, since it is smaller than the sum of its proper divisors (1633222).

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

1398950 is a wasteful number, since it uses less digits than its factorization.

1398950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1398950 is about 1182.7721674101. The cubic root of 1398950 is about 111.8409199899.

The spelling of 1398950 in words is "one million, three hundred ninety-eight thousand, nine hundred fifty".