6401974 has 12 divisors (see below), whose sum is σ = 10136124. Its totient is φ = 3032172.

The previous prime is 6401971. The next prime is 6401977. The reversal of 6401974 is 4791046.

It is an interprime number because it is at equal distance from previous prime (6401971) and next prime (6401977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3712 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (844677).

Almost surely, 2^6401974 is an apocalyptic number.

6401974 is a deficient number, since it is larger than the sum of its proper divisors (3734150).

6401974 is a wasteful number, since it uses less digits than its factorization.

6401974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907 (or 8888 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6401974 is about 2530.2122440618. The cubic root of 6401974 is about 185.6826399164.

The spelling of 6401974 in words is "six million, four hundred one thousand, nine hundred seventy-four".