401974 has 4 divisors (see below), whose sum is σ = 602964. Its totient is φ = 200986.

The previous prime is 401959. The next prime is 401981. The reversal of 401974 is 479104.

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

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, 100492 + ... + 100495.

It is an arithmetic number, because the mean of its divisors is an integer number (150741).

2⁴⁰¹⁹⁷⁴ is an apocalyptic number.

401974 is a deficient number, since it is larger than the sum of its proper divisors (200990).

401974 is a wasteful number, since it uses less digits than its factorization.

401974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200989.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 401974 is about 634.0141954247. The cubic root of 401974 is about 73.8016357723.

The spelling of 401974 in words is "four hundred one thousand, nine hundred seventy-four".