1398482190 has 48 divisors (see below), whose sum is σ = 4155491808. Its totient is φ = 319652928.

The previous prime is 1398482171. The next prime is 1398482207. The reversal of 1398482190 is 912848931.

1398482190 is a `hidden beast` number, since 1 + 398 + 48 + 219 + 0 = 666.

It is a super-2 number, since 2×1398482190² = 3911504871494392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1109277 + ... + 1110536.

It is an arithmetic number, because the mean of its divisors is an integer number (86572746).

Almost surely, 2^1398482190 is an apocalyptic number.

1398482190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1398482190 is an abundant number, since it is smaller than the sum of its proper divisors (2757009618).

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

1398482190 is a wasteful number, since it uses less digits than its factorization.

1398482190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219833 (or 2219830 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1398482190 is about 37396.2857781358. The cubic root of 1398482190 is about 1118.2845203560.

The spelling of 1398482190 in words is "one billion, three hundred ninety-eight million, four hundred eighty-two thousand, one hundred ninety".