624190106 has 4 divisors (see below), whose sum is σ = 936285162. Its totient is φ = 312095052.

The previous prime is 624190103. The next prime is 624190121. The reversal of 624190106 is 601091426.

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

It can be written as a sum of positive squares in only one way, i.e., 580087225 + 44102881 = 24085^2 + 6641^2 .

It is a super-2 number, since 2×624190106² = 779226576856582472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (624190103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156047525 + ... + 156047528.

Almost surely, 2^624190106 is an apocalyptic number.

624190106 is a deficient number, since it is larger than the sum of its proper divisors (312095056).

624190106 is a wasteful number, since it uses less digits than its factorization.

624190106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312095055.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 624190106 is about 24983.7968691710. The cubic root of 624190106 is about 854.6185072347.

The spelling of 624190106 in words is "six hundred twenty-four million, one hundred ninety thousand, one hundred six".