373997400 has 144 divisors (see below), whose sum is σ = 1348786440. Its totient is φ = 85478400.

The previous prime is 373997383. The next prime is 373997453. The reversal of 373997400 is 4799373.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23040 + ... + 35760.

Almost surely, 2^373997400 is an apocalyptic number.

373997400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373997400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674393220).

373997400 is an abundant number, since it is smaller than the sum of its proper divisors (974789040).

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

373997400 is a wasteful number, since it uses less digits than its factorization.

373997400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754 (or 12738 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 373997400 is about 19339.0123842972. The cubic root of 373997400 is about 720.4815451486.

The spelling of 373997400 in words is "three hundred seventy-three million, nine hundred ninety-seven thousand, four hundred".