899293040 has 20 divisors (see below), whose sum is σ = 2090856504. Its totient is φ = 359717184.

The previous prime is 899293039. The next prime is 899293067. The reversal of 899293040 is 40392998.

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 = 899292982 and 899293000.

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, 5620502 + ... + 5620661.

Almost surely, 2^899293040 is an apocalyptic number.

899293040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899293040 is an abundant number, since it is smaller than the sum of its proper divisors (1191563464).

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

899293040 is a wasteful number, since it uses less digits than its factorization.

899293040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11241176 (or 11241170 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 899293040 is about 29988.2150185702. The cubic root of 899293040 is about 965.2365175043.

The spelling of 899293040 in words is "eight hundred ninety-nine million, two hundred ninety-three thousand, forty".