612233390 has 16 divisors (see below), whose sum is σ = 1160021520. Its totient is φ = 232004160.

The previous prime is 612233381. The next prime is 612233399. The reversal of 612233390 is 93332216.

It is an interprime number because it is at equal distance from previous prime (612233381) and next prime (612233399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612233399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610951 + ... + 1611330.

It is an arithmetic number, because the mean of its divisors is an integer number (72501345).

Almost surely, 2^612233390 is an apocalyptic number.

612233390 is a deficient number, since it is larger than the sum of its proper divisors (547788130).

612233390 is a wasteful number, since it uses less digits than its factorization.

612233390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222307.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 612233390 is about 24743.3504198603. The cubic root of 612233390 is about 849.1263873167.

The spelling of 612233390 in words is "six hundred twelve million, two hundred thirty-three thousand, three hundred ninety".