401612546 has 4 divisors (see below), whose sum is σ = 602418822. Its totient is φ = 200806272.

The previous prime is 401612543. The next prime is 401612551. The reversal of 401612546 is 645216104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 393427225 + 8185321 = 19835^2 + 2861^2 .

It is a super-2 number, since 2×401612546² = 322585274209204232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401612543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100403135 + ... + 100403138.

Almost surely, 2^401612546 is an apocalyptic number.

401612546 is a deficient number, since it is larger than the sum of its proper divisors (200806276).

401612546 is a wasteful number, since it uses less digits than its factorization.

401612546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200806275.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 401612546 is about 20040.2731019315. The cubic root of 401612546 is about 737.7950839089.

The spelling of 401612546 in words is "four hundred one million, six hundred twelve thousand, five hundred forty-six".