1623474090 has 320 divisors, whose sum is σ = 5319198720. Its totient is φ = 347276160.

The previous prime is 1623474077. The next prime is 1623474091. The reversal of 1623474090 is 904743261.

1623474090 is a `hidden beast` number, since 16 + 234 + 7 + 409 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1623474091) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7694085 + ... + 7694295.

It is an arithmetic number, because the mean of its divisors is an integer number (16622496).

Almost surely, 2^1623474090 is an apocalyptic number.

1623474090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623474090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2659599360).

1623474090 is an abundant number, since it is smaller than the sum of its proper divisors (3695724630).

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

1623474090 is a wasteful number, since it uses less digits than its factorization.

1623474090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1623474090 is about 40292.3577121022. The cubic root of 1623474090 is about 1175.2992362967.

The spelling of 1623474090 in words is "one billion, six hundred twenty-three million, four hundred seventy-four thousand, ninety".