1604412654 has 48 divisors (see below), whose sum is σ = 3480712704. Its totient is φ = 492804000.

The previous prime is 1604412637. The next prime is 1604412671. The reversal of 1604412654 is 4562144061.

It is an interprime number because it is at equal distance from previous prime (1604412637) and next prime (1604412671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821379 + ... + 823329.

It is an arithmetic number, because the mean of its divisors is an integer number (72514848).

Almost surely, 2^1604412654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604412654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740356352).

1604412654 is an abundant number, since it is smaller than the sum of its proper divisors (1876300050).

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

1604412654 is a wasteful number, since it uses less digits than its factorization.

1604412654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1604412654 is about 40055.1201970485. The cubic root of 1604412654 is about 1170.6813315551.

The spelling of 1604412654 in words is "one billion, six hundred four million, four hundred twelve thousand, six hundred fifty-four".