612105494 has 96 divisors (see below), whose sum is σ = 1283869440. Its totient is φ = 212284800.

The previous prime is 612105469. The next prime is 612105499. The reversal of 612105494 is 494501216.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 612105494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612105499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754349 + ... + 755159.

It is an arithmetic number, because the mean of its divisors is an integer number (13373640).

Almost surely, 2^612105494 is an apocalyptic number.

612105494 is an abundant number, since it is smaller than the sum of its proper divisors (671763946).

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

612105494 is a wasteful number, since it uses less digits than its factorization.

612105494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 612105494 is about 24740.7658329325. The cubic root of 612105494 is about 849.0672554925.

The spelling of 612105494 in words is "six hundred twelve million, one hundred five thousand, four hundred ninety-four".