361199475 has 216 divisors, whose sum is σ = 849588480. Its totient is φ = 143320320.

The previous prime is 361199471. The next prime is 361199477. The reversal of 361199475 is 574991163.

It is not a de Polignac number, because 361199475 - 2² = 361199471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 361199475.

It is not an unprimeable number, because it can be changed into a prime (361199471) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 6121996 + ... + 6122054.

It is an arithmetic number, because the mean of its divisors is an integer number (3933280).

Almost surely, 2^361199475 is an apocalyptic number.

361199475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

361199475 is an abundant number, since it is smaller than the sum of its proper divisors (488389005).

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

361199475 is a wasteful number, since it uses less digits than its factorization.

361199475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 110 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 361199475 is about 19005.2486171584. The cubic root of 361199475 is about 712.1678599670.

The spelling of 361199475 in words is "three hundred sixty-one million, one hundred ninety-nine thousand, four hundred seventy-five".