947492390 has 32 divisors (see below), whose sum is σ = 1851171840. Its totient is φ = 347082624.

The previous prime is 947492389. The next prime is 947492423. The reversal of 947492390 is 93294749.

947492390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12185 + ... + 45204.

It is an arithmetic number, because the mean of its divisors is an integer number (57849120).

Almost surely, 2^947492390 is an apocalyptic number.

947492390 is a deficient number, since it is larger than the sum of its proper divisors (903679450).

947492390 is a wasteful number, since it uses less digits than its factorization.

947492390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57536.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 947492390 is about 30781.3643297369. The cubic root of 947492390 is about 982.1818629968.

The spelling of 947492390 in words is "nine hundred forty-seven million, four hundred ninety-two thousand, three hundred ninety".