88621040 has 20 divisors (see below), whose sum is σ = 206044104. Its totient is φ = 35448384.

The previous prime is 88621021. The next prime is 88621061. The reversal of 88621040 is 4012688.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 88620994 and 88621012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553802 + ... + 553961.

Almost surely, 2^88621040 is an apocalyptic number.

88621040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88621040 is an abundant number, since it is smaller than the sum of its proper divisors (117423064).

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

88621040 is a wasteful number, since it uses less digits than its factorization.

88621040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107776 (or 1107770 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 88621040 is about 9413.8748663874. The cubic root of 88621040 is about 445.8399151987.

The spelling of 88621040 in words is "eighty-eight million, six hundred twenty-one thousand, forty".