396104540 has 48 divisors (see below), whose sum is σ = 897311520. Its totient is φ = 146008320.

The previous prime is 396104521. The next prime is 396104549. The reversal of 396104540 is 45401693.

It is a super-2 number, since 2×396104540² = 313797613217223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396104497 and 396104506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396104549) 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, 243851 + ... + 245469.

It is an arithmetic number, because the mean of its divisors is an integer number (18693990).

Almost surely, 2^396104540 is an apocalyptic number.

It is an amenable number.

396104540 is an abundant number, since it is smaller than the sum of its proper divisors (501206980).

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

396104540 is a wasteful number, since it uses less digits than its factorization.

396104540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 396104540 is about 19902.3752351321. The cubic root of 396104540 is about 734.4066601471.

The spelling of 396104540 in words is "three hundred ninety-six million, one hundred four thousand, five hundred forty".