69998356 has 12 divisors (see below), whose sum is σ = 128944480. Its totient is φ = 33157080.

The previous prime is 69998351. The next prime is 69998359. The reversal of 69998356 is 65389996.

It is a junction number, because it is equal to n+sod(n) for n = 69998297 and 69998306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69998351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460440 + ... + 460591.

Almost surely, 2^69998356 is an apocalyptic number.

It is an amenable number.

69998356 is a deficient number, since it is larger than the sum of its proper divisors (58946124).

69998356 is a wasteful number, since it uses less digits than its factorization.

69998356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921054 (or 921052 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The square root of 69998356 is about 8366.5020169722. The cubic root of 69998356 is about 412.1253035780.

The spelling of 69998356 in words is "sixty-nine million, nine hundred ninety-eight thousand, three hundred fifty-six".