106401398 has 4 divisors (see below), whose sum is σ = 159602100. Its totient is φ = 53200698.

The previous prime is 106401391. The next prime is 106401409. The reversal of 106401398 is 893104601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106401398² = 22642514992708808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106401391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26600348 + ... + 26600351.

It is an arithmetic number, because the mean of its divisors is an integer number (39900525).

Almost surely, 2^106401398 is an apocalyptic number.

106401398 is a deficient number, since it is larger than the sum of its proper divisors (53200702).

106401398 is an equidigital number, since it uses as much as digits as its factorization.

106401398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53200701.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 106401398 is about 10315.1053315029. The cubic root of 106401398 is about 473.8589757730.

Adding to 106401398 its reverse (893104601), we get a palindrome (999505999).

The spelling of 106401398 in words is "one hundred six million, four hundred one thousand, three hundred ninety-eight".