618437376 has 144 divisors (see below), whose sum is σ = 1845486720. Its totient is φ = 204272640.

The previous prime is 618437341. The next prime is 618437381. The reversal of 618437376 is 673734816.

It is a tau number, because it is divible by the number of its divisors (144).

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, 905131 + ... + 905813.

It is an arithmetic number, because the mean of its divisors is an integer number (12815880).

Almost surely, 2^618437376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618437376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922743360).

618437376 is an abundant number, since it is smaller than the sum of its proper divisors (1227049344).

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

618437376 is a wasteful number, since it uses less digits than its factorization.

618437376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 819 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 618437376 is about 24868.4011548793. The cubic root of 618437376 is about 851.9849233595.

The spelling of 618437376 in words is "six hundred eighteen million, four hundred thirty-seven thousand, three hundred seventy-six".