354998115 has 12 divisors (see below), whose sum is σ = 615330144. Its totient is φ = 189332304.

The previous prime is 354998089. The next prime is 354998117. The reversal of 354998115 is 511899453.

354998115 is a `hidden beast` number, since 3 + 549 + 98 + 1 + 15 = 666.

It is not a de Polignac number, because 354998115 - 2⁹ = 354997603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7888847 = 354998115 / (3 + 5 + 4 + 9 + 9 + 8 + 1 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (354998117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3944379 + ... + 3944468.

It is an arithmetic number, because the mean of its divisors is an integer number (51277512).

Almost surely, 2^354998115 is an apocalyptic number.

354998115 is a deficient number, since it is larger than the sum of its proper divisors (260332029).

354998115 is a wasteful number, since it uses less digits than its factorization.

354998115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888858 (or 7888855 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 354998115 is about 18841.3936586443. The cubic root of 354998115 is about 708.0686218558.

The spelling of 354998115 in words is "three hundred fifty-four million, nine hundred ninety-eight thousand, one hundred fifteen".