400674533 has 4 divisors (see below), whose sum is σ = 457913760. Its totient is φ = 343435308.

The previous prime is 400674523. The next prime is 400674551. The reversal of 400674533 is 335476004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400674533 - 2¹⁰ = 400673509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 400674533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400674523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28619603 + ... + 28619616.

It is an arithmetic number, because the mean of its divisors is an integer number (114478440).

Almost surely, 2^400674533 is an apocalyptic number.

It is an amenable number.

400674533 is a deficient number, since it is larger than the sum of its proper divisors (57239227).

400674533 is an equidigital number, since it uses as much as digits as its factorization.

400674533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57239226.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 400674533 is about 20016.8562216948. The cubic root of 400674533 is about 737.2202339414.

The spelling of 400674533 in words is "four hundred million, six hundred seventy-four thousand, five hundred thirty-three".