506149396 has 6 divisors (see below), whose sum is σ = 885761450. Its totient is φ = 253074696.

The previous prime is 506149373. The next prime is 506149447. The reversal of 506149396 is 693941605.

It can be written as a sum of positive squares in only one way, i.e., 384708996 + 121440400 = 19614^2 + 11020^2 .

It is a super-2 number, since 2×506149396² = 512374422142329632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63268671 + ... + 63268678.

Almost surely, 2^506149396 is an apocalyptic number.

It is an amenable number.

506149396 is a deficient number, since it is larger than the sum of its proper divisors (379612054).

506149396 is a wasteful number, since it uses less digits than its factorization.

506149396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126537353 (or 126537351 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 506149396 is about 22497.7642444755. The cubic root of 506149396 is about 796.9411294622.

The spelling of 506149396 in words is "five hundred six million, one hundred forty-nine thousand, three hundred ninety-six".