361404477 has 16 divisors (see below), whose sum is σ = 611902080. Its totient is φ = 206516736.

The previous prime is 361404473. The next prime is 361404487. The reversal of 361404477 is 774404163.

It is a happy number.

It is not a de Polignac number, because 361404477 - 2² = 361404473 is a prime.

It is a super-2 number, since 2×361404477² = 261226391991287058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361404473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955908 + ... + 956285.

It is an arithmetic number, because the mean of its divisors is an integer number (38243880).

Almost surely, 2^361404477 is an apocalyptic number.

It is an amenable number.

361404477 is a deficient number, since it is larger than the sum of its proper divisors (250497603).

361404477 is a wasteful number, since it uses less digits than its factorization.

361404477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912209 (or 1912203 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 361404477 is about 19010.6411517339. The cubic root of 361404477 is about 712.3025669032.

The spelling of 361404477 in words is "three hundred sixty-one million, four hundred four thousand, four hundred seventy-seven".