366490426 has 4 divisors (see below), whose sum is σ = 549735642. Its totient is φ = 183245212.

The previous prime is 366490409. The next prime is 366490433. The reversal of 366490426 is 624094663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624094663 = 53 ⋅11775371.

It can be written as a sum of positive squares in only one way, i.e., 348009025 + 18481401 = 18655^2 + 4299^2 .

It is a super-2 number, since 2×366490426² = 268630464699322952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91622605 + ... + 91622608.

Almost surely, 2^366490426 is an apocalyptic number.

366490426 is a deficient number, since it is larger than the sum of its proper divisors (183245216).

366490426 is a wasteful number, since it uses less digits than its factorization.

366490426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183245215.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 366490426 is about 19143.9396676860. The cubic root of 366490426 is about 715.6283624767.

The spelling of 366490426 in words is "three hundred sixty-six million, four hundred ninety thousand, four hundred twenty-six".