10191400 has 24 divisors (see below), whose sum is σ = 23695470. Its totient is φ = 4076480.

The previous prime is 10191397. The next prime is 10191403. The reversal of 10191400 is 419101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10191397) and next prime (10191403).

It can be written as a sum of positive squares in 3 ways, for example, as 9012004 + 1179396 = 3002^2 + 1086^2 .

It is not an unprimeable number, because it can be changed into a prime (10191403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25279 + ... + 25678.

Almost surely, 2^10191400 is an apocalyptic number.

10191400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10191400 is an abundant number, since it is smaller than the sum of its proper divisors (13504070).

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

10191400 is a wasteful number, since it uses less digits than its factorization.

10191400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50973 (or 50964 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10191400 is about 3192.3972183925. The cubic root of 10191400 is about 216.8093209139.

The spelling of 10191400 in words is "ten million, one hundred ninety-one thousand, four hundred".